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3 values
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16 values
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3 values
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3 values
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3 values
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3 values
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3 values
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3 values
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3 values
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3 values
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4 values
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3 values
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stringclasses
3 values
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3 values
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stringclasses
3 values
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stringclasses
8 values
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stringclasses
3 values
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stringclasses
25 values
Q14_Model_Deploy_Pipeline_No
stringclasses
3 values
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int64
-77
100
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3 values
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stringclasses
3 values
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stringclasses
8 values
Q17_Automated_Machine_Learning_Tools_Yes_No
stringclasses
4 values
Q17_Automated_Machine_Learning_Tools_Yes_Free
stringclasses
29 values
Origin
stringclasses
22 values
380
Completed (31)
893
Economics
Inequality Measurement
Economics
-99
Data Science with R, Python, SQL Bootcamp
-99
Austria
501-1,000 employees
Data Scientist
-99
4
4
5
2
1-5 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Totally agile
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
Time Series Forecasting
not quoted
-99
not quoted
-99
quoted
Customer Segmentation
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Complex
Complex
Complex
Neutral
0
Very Complex
Easy
15
15
20
15
15
15
5
DIffculty reaching and communicating with stakeholders
-99
-99
Access to data either for organisational or technical reasons
-99
-99
Low quality and transparency of available data
-99
-99
Available infrastructure often not enough
-99
-99
Often times is the evaluation not budgeted either in time or financially
-99
-99
Missing skills from data engineer or unavailable infrastruture
-99
-99
-99
-99
-99
-99
-99
-99
Missing alignment between expectations and work from data scientists
Missing infrastructure for a sustainable operation in production
-99
Frequently
70
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
-99
not quoted
-99
quoted
50
quoted
not quoted
not quoted
quoted
not quoted
-99
Yes, Please, specify
-99
-99
383
Completed (31)
1,897
Economics
Econometrics, Finance
M.Sc. in Data Science + M.Sc. in Finance
-99
-99
-99
Austria
More than 2,000 employees
Developer
-99
4
2
3
2
6-10 members
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Totally agile
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
Typescript
quoted
Sales discounts, costs
not quoted
-99
not quoted
-99
quoted
Customers
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
Neutral
High Relevance
Neutral
Neutral
Neutral
Complex
Complex
Easy
Neutral
Complex
Easy
20
20
15
10
10
15
10
Value Creation
End-to-end process
Roles & Responsibles
Roles & Responsibles
Data Sharing
-99
Scope Limitation
Guidelines
-99
Overengineering
-99
-99
Benchmarking
Context
-99
Tech-Stack
CI/CD
-99
Access Rights
-99
-99
Alignment of Departments
Speed of First Results
-99
Speed of First Results
Value Creation
Roles & Responsibles
Sometimes
30
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
50
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
-99
385
Completed (31)
1,328
Computer Science
-99
computer science
-99
-99
-99
Austria
11-50 employees
Other, which one?
teacher
35
10
10
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Complex
Complex
Very Complex
Complex
Complex
Complex
Complex
20
10
30
10
10
15
5
different languages
-99
-99
technical issues
-99
-99
various sources of errors, uncertainty
-99
-99
select right model
-99
-99
chosing right methodology
-99
-99
user acceptance
-99
-99
sustained effort necessary
-99
-99
-99
-99
-99
data collection and preprocessing
deployment issues
-99
Frequently
80
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
0
not quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
-99
386
Completed (31)
901
Software Engineering
Media Informatics
Visual Computing M.Sc.
-99
-99
-99
Austria
More than 2,000 employees
Other, which one?
Researcher
10
3
2
1
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
surface reconstruction
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
Behavior Trees
High Relevance
Neutral
Neutral
High Relevance
Neutral
Low Relevance
Low Relevance
Easy
Neutral
Neutral
Complex
Neutral
Easy
Neutral
10
10
10
30
20
10
10
find problem
-99
-99
get sensors
data protection
-99
high-performance computing
-99
-99
long iterations
-99
-99
code quality
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
long iterations
data protection
code quality
Frequently
50
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
0
not quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
-99
390
Completed (31)
990
Mathematics
pattern recognition, image processing, computer vision
technical mathematics, maître d'informatique
mathematics
none
-99
Austria
More than 2,000 employees
Project Lead / Project Manager
-99
40
3
1
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
I don't know
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
computer vision
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
segmentation
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
Extremely Relevant
Neutral
I don't know
Very Complex
Neutral
Complex
Very Complex
Very Complex
Complex
Complex
5
30
5
30
10
10
10
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Always
95
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
none
not quoted
-99
quoted
5
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
393
Completed (31)
1,760
Software Engineering
-99
M.Sc in Computer Science
PhD in Computer Science
-99
-99
Sweden
11-50 employees
Other, which one?
CEO
30
20
10
5
6-10 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Energy
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Extremely Relevant
High Relevance
Very Complex
Neutral
Neutral
Neutral
Complex
Complex
Neutral
35
10
20
15
5
10
5
Lack of domain knowledge
-99
-99
Lack of tagged data
System integration
-99
Merging different formats
-99
-99
Identifing appropriate algorithms/parameters
-99
-99
-99
-99
-99
Poor system capacity in the field
-99
-99
-99
-99
-99
-99
-99
-99
Lack of domain knowledge for project participants
Lack of tagged data
Poor system capacity in operations
Sometimes
80
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
20
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
394
Completed (31)
2,056
Physics
-99
Physics
Physics
Machine Learning course Coursera
-99
Germany
51-250 employees
Other, which one?
Machine Learning Engineer
2
2
1
-99
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
landmarks on medical images
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
High Relevance
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
Neutral
Complex
Complex
Neutral
Neutral
Very Complex
I don't know
10
5
30
20
10
20
5
understand domain-specific language
-99
-99
get high-quality and representative data
data cleansing
-99
adapt preprocessing pipeline to the specific problem
-99
-99
develop generic approach to be useful to a wider range of problems
-99
-99
-99
-99
-99
meet high regulatory requirements in medical sector
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Sometimes
80
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
100
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://ww2.unipark.de/uc/seml/
397
Completed (31)
3,027
-99
-99
-99
Ph.D. in Mathematics
-99
-99
Sweden
1-10 employees
Data Scientist
-99
10
5
10
2
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Energy
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Neutral
Neutral
Neutral
Neutral
Neutral
Very Complex
Very Complex
Complex
Neutral
Easy
Neutral
Neutral
15
15
15
25
25
5
0
Project management tend to lack understanding
-99
-99
Out of touch with reality
Doesn't factor in the monetary cost of data collection
-99
Tend to reveal plenty of human errors in the data collection process
Overlooked in budget
-99
Tend to lack a full set of data due to faults in data collection
-99
-99
Less of a problem
-99
-99
Mostly an afterthought, running on some server somewhere
-99
-99
Nonexistent
-99
-99
-99
-99
-99
Grossly underestimated cost for data collection
Grossly underestimated cost for data pre-processing (due to artefacts in the data that has more to due with the human factor than the problem domain)
Unwillingness to change model creation and training to fit the data available (poor project management)
Always
5
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Wishful thinking in the project proposal
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
5
not quoted
not quoted
not quoted
not quoted
quoted
Occational ocular inspection of graphs and other graphics by human expert.
Yes, Please, specify
Auto-sklearn, Auto-PyTorch
-99
404
Completed (31)
284
-99
-99
-99
-99
-99
-99
0
0
0
-99
-99
-99
-99
-99
0
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Never
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
-99
https://www.linkedin.com/
410
Completed (31)
2,124
Computer Engineering
Software Engineering
Computer Engineering
-99
-99
Ph.D. Student in Computer Engineering ( machine learning in eHealth domain)
Turkey
11-50 employees
Solution Architect
-99
20
2
2
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly agile
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
to score the degree of disease
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
High Relevance
Neutral
Neutral
Neutral
Complex
Neutral
Complex
I don't know
10
5
10
25
25
10
15
object oriented analysis
-99
-99
privacy issues
-99
-99
scheme unification
-99
-99
hyperparameter optimisation
-99
-99
-99
-99
-99
compatilibity & environment problems
-99
-99
-99
-99
-99
-99
-99
-99
object oriented analysis
-99
-99
Never
30
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
20
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
417
Completed (31)
3,259
-99
-99
Informatics
Computer Sciences
-99
-99
Austria
More than 2,000 employees
Project Lead / Project Manager
-99
20
10
10
2
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
Production
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Complex
Very Complex
Neutral
Complex
Complex
Complex
Neutral
15
25
10
20
15
10
5
Complex problem domains
Not clear requirements
-99
Avaliability of necessary information
Form in which data are stored
-99
Quality of data
-99
-99
Efficiency
-99
-99
Selection of appropriate performance metrics
-99
-99
Explainability of results
-99
-99
-99
-99
-99
-99
-99
-99
Data collection
Quality of data
-99
Rarely
30
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
50
not quoted
not quoted
quoted
not quoted
not quoted
-99
Yes, Please, specify
Auto-sklearn
-99
419
Completed (31)
902
Computer Science
project management specialization
M. SC. Computer science
-99
Coursera course on ML
Applied data science Ericsson
Lebanon
More than 2,000 employees
Solution Architect
-99
15
1
1
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Complex
Neutral
Complex
Neutral
Complex
Neutral
Complex
20
10
5
40
15
5
5
-99
-99
-99
-99
-99
X
-99
X
-99
-99
-99
-99
X
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Model Evaluation
Data collection
Data pre-processing
Sometimes
30
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
80
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
-99
421
Completed (31)
1,310
-99
-99
-99
-99
-99
-99
0
0
0
-99
-99
-99
-99
-99
0
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Never
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
-99
https://www.linkedin.com/
423
Completed (31)
1,058
Computer Science
Data Science specialization
M.Sc. in Computer Science
Computer Science
Udacity course on ML
-99
Japan
1-10 employees
Data Scientist
-99
4
3
4
3
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
Using prediction to evaluate value of room price
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Complex
Neutral
Neutral
Neutral
Neutral
Easy
Easy
25
25
20
15
5
5
5
the problem faced the schedulee
-99
-99
need more data
-99
-99
improve quality
-99
-99
need more time
-99
-99
arrive performance metric
-99
-99
platform
-99
-99
data split
-99
-99
-99
-99
-99
Problem Understanding and Requirements
Data Collection
Model Deployment
Sometimes
70
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
60
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
425
Completed (31)
2,068
Computer Engineering
Data Engineering
Computer Engineering
-99
Google Cloud Professional Data Engineer
-99
Turkey
51-250 employees
Solution Architect
-99
17
7
10
3
1-5 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Not Relevant at All
Not Relevant at All
Not Relevant at All
Not Relevant at All
Not Relevant at All
Not Relevant at All
Not Relevant at All
Very Complex
Complex
Neutral
Complex
Complex
Neutral
Neutral
20
25
30
20
5
0
0
1
-99
-99
-99
1
-99
-99
-99
1
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Problem Understanding and Requirements
Data Collection
Data Pre-Processing
Frequently
30
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
5
not quoted
not quoted
not quoted
quoted
not quoted
-99
Yes, Please, specify
Google AutoML, IBM Watson
https://www.google.com/
426
Completed (31)
1,066
Industrial Engineering
-99
M.Sc. in Computer Science
-99
Google Professional ML Engineer and Data Engineer Certification
-99
Turkey
51-250 employees
Data Scientist
-99
1
3
3
1
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Complex
Neutral
Very Complex
Easy
Complex
Neutral
Complex
10
5
50
5
10
10
10
communication
-99
-99
non-reliability
-99
-99
data complexity
non structured dbs
-99
long training hours
-99
-99
business objective
-99
-99
platform restrictions
-99
-99
architecture design
-99
-99
-99
-99
-99
data complexity
non-reliability
communication
Sometimes
30
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
10
quoted
not quoted
quoted
quoted
not quoted
-99
No
-99
https://www.google.com/
428
Completed (31)
606
Computer Science
AI & ML
MSc. in Computer Science in AI
-99
-99
-99
Turkey
251-500 employees
Solution Architect
-99
10
5
8
8
6-10 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
quoted
quoted
quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
-99
Neutral
Neutral
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Neutral
Neutral
Complex
Very Complex
Very Complex
Complex
Neutral
25
5
25
25
5
10
5
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Data Preperation problems
Training failures
not enough know how
Frequently
70
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
quoted
Dataiku
not quoted
90
not quoted
not quoted
quoted
quoted
not quoted
-99
Yes, Please, specify
Dataiku
-99
433
Completed (31)
1,249
Statistics
Data science and data engineer
-99
-99
-99
-99
Turkey
251-500 employees
Solution Architect
-99
10
10
50
20
6-10 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
Sas
quoted
Value prediction
quoted
Churn
not quoted
-99
quoted
Segmentation
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
Neutral
Neutral
High Relevance
Extremely Relevant
Very Complex
Complex
Complex
Neutral
Neutral
Very Complex
Very Complex
10
10
50
10
5
10
5
End users can not focus problems that is occured into business process
Getting resource from business
-99
Metadata
-99
-99
Feature and business mapping
-99
-99
-99
-99
-99
-99
-99
-99
There is no framework
-99
-99
This is not prioritized
-99
-99
-99
-99
-99
focusing algorithms not process
-99
-99
Sometimes
80
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
20
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
-99
437
Completed (31)
2,037
Computer Science
-99
M.Sc. in Computer Science
-99
-99
-99
Brazil
251-500 employees
Data Scientist
-99
3
10
20
15
1-5 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Neutral
Neutral
Very Complex
Complex
Very Complex
Complex
Neutral
Neutral
Neutral
20
20
25
20
5
5
5
clarity in information
lack of a specialist business professional to support the step.
-99
lack of useful information in the available data sources.
-99
-99
errors, inconsistencies and absence of relevant information in the datasets.
-99
-99
large number of models and parameterizations.
computational resource limitation.
-99
lots of metrics to evaluate.
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
errors, inconsistencies and absence of relevant information in the datasets.
lack of a specialist business professional to support the step.
computational resource limitation.
Rarely
30
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
10
quoted
not quoted
quoted
not quoted
not quoted
-99
Yes, Please, specify
Auto-sklearn
-99
438
Completed (31)
1,243
Mathematics, Physics
Mathematical Physics
Msc in Physics
Ph.D. in Mathematical Physics
-99
-99
Austria
11-50 employees
Data Scientist
-99
19
3
10
5
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
Scala
not quoted
-99
quoted
Classifying various sources of text
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
High Relevance
Neutral
Neutral
Complex
Neutral
Easy
Neutral
Neutral
20
20
20
10
5
10
15
Not missing a hidden bias in the data
-99
-99
Ensure a good unbiased sample
-99
-99
Data Processing can be tricky and crucial for a working model
-99
-99
Finding the correct hardware to run on
Configuring parameters
-99
-99
-99
-99
Scalability, efficient usage of resources
-99
-99
Creating a good feedback loop
Finding good references to compare to
-99
-99
-99
-99
Ensure a good unbiased sample
Data Processing can be tricky and crucial for a working model
Configuring parameters
Rarely
90
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
wiki
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
30
not quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
-99
473
Completed (31)
1,496
Civil Engineering
-99
M.Sc. in Computational/Civil Engineering
D.Sc. in Computational/Civil Engineering
Deep Learning Specialization (Coursera), Data Scientist NanoDegree (Udacity), Deep Learning NanoDegree (Udacity), Artificial Intelligence NanoDegree (Udacity)
Many other courses on Udemy, and Full Stack Deep Learning Bootcamp (Berkeley Universit)
Brazil
More than 2,000 employees
Project Lead / Project Manager
-99
5
5
20
3
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Very Complex
Neutral
Easy
Neutral
Neutral
Neutral
15
25
15
15
10
10
10
Lack of knowledge about the business
-99
-99
Poor data governance in traditional companies
-99
-99
ok
-99
-99
ok
-99
-99
For traditional engineering applications, it shall be stablished an adequate metric threshold
-99
-99
ok
-99
-99
ok
-99
-99
-99
-99
-99
Poor data governance in traditional companies
For traditional engineering applications, it shall be stablished an adequate metric threshold
-99
Sometimes
30
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
Subject Matter Expert
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
0
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Yes, Please, specify
DataRobot
-99
448
Completed (31)
979
-99
-99
M.Sc. in Data Visualization
-99
AWS Machine Learning Specialty
-99
Brazil
More than 2,000 employees
Data Scientist
-99
18
6
5
2
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
quoted
-99
quoted
Regression
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
High Relevance
Neutral
Extremely Relevant
Extremely Relevant
High Relevance
Low Relevance
Complex
Complex
Easy
Neutral
Neutral
Very Complex
Complex
10
40
5
20
5
15
5
Client engagement
-99
-99
No annotated data
Not enought data
-99
Data versioning
-99
-99
Manage of libs
Easyness of train distribution
Experiment controll
Find a good metric that maps to business success
-99
-99
Standard way to deploy (on premissis or on cloud)
-99
-99
No live annotaded data
-99
-99
-99
-99
-99
No annotated data
Not enought data
Find a good metric that maps to business success
I don't know
0
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
Use some cloud solution
not quoted
5
not quoted
not quoted
not quoted
not quoted
quoted
Performance logs (CPU, memory, etc)
No
-99
https://statics.teams.cdn.office.net/
447
Completed (31)
1,087
Telecommunications Engineering
-99
System and Computer Engineering, PESC/UFRJ
Informatics, PPGI/UFRJ
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
10
8
3
3
6-10 members
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Totally agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Very Complex
Very Complex
Complex
Complex
Complex
Very Complex
Complex
20
20
10
20
10
10
10
-99
Problem Understanding and Requirements
-99
Data Collection
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Model Deployment
-99
-99
-99
-99
-99
-99
Missing Data
Problem Understanding
Lack of human resources
Frequently
60
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
quoted
-99
not quoted
50
quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
https://statics.teams.cdn.office.net/
443
Completed (31)
1,584
Computer Engineering
Data Science specialization
-99
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
5
5
10
6
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Totally agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
predict ROP in drilling, predict investment in drilling projects, prediction
quoted
predict domain on wells
quoted
similarity among wells and reservatories
quoted
predict anomaly detection on drilling
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Neutral
Very Complex
Complex
Very Complex
Complex
Complex
Very Complex
5
25
15
20
25
10
0
Knowledge domain
-99
-99
Data Quality
Data Integration
-99
Knowledge domain
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
User's feedback
-99
-99
-99
-99
-99
Data Collection
Problem Understanding and Requirements
Data Pre-Processing
Sometimes
50
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
40
quoted
quoted
quoted
not quoted
not quoted
-99
Yes, Please, specify
Auto-sklearn
https://statics.teams.cdn.office.net/
446
Completed (31)
801
Mathematics
Data Science and Machine Learning
-99
-99
Several Coursera, Udacity and Microsoft Azure certificates on Data Science topics
-99
Brazil
More than 2,000 employees
Data Scientist
-99
12
4
5
3
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
Estimate discharded water total oil and grease; estimate time-to-fail of offshore heat exchange equipment
quoted
analogue oil reservoirs
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Neutral
Neutral
Neutral
High Relevance
High Relevance
Very Complex
Complex
Neutral
Complex
Neutral
Very Complex
Neutral
30
20
20
10
5
10
5
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Problem Understanding and Requirements
-99
-99
I don't know
-77
quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
Specific container
quoted
We are trying...
not quoted
30
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://statics.teams.cdn.office.net/
444
Completed (31)
1,765
-99
-99
Mestre em Engenharia Eletrônica e Computação
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
2
8
2
1
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
quoted
1
quoted
1
not quoted
-99
quoted
1
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
PCA
Extremely Relevant
Extremely Relevant
0
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Very Complex
Complex
Easy
Neutral
Complex
Complex
10
30
10
10
10
20
10
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Frequently
70
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
30
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://teams.microsoft.com/
445
Completed (31)
2,643
Systems Analysis
Especialização em BI e ML
-99
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
36
8
150
12
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally agile
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
-99
quoted
-99
quoted
-99
quoted
-99
quoted
-99
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
reinforcement learning
High Relevance
Neutral
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
High Relevance
Easy
Neutral
Complex
Neutral
Neutral
Neutral
Neutral
5
10
30
10
5
10
30
expectativa inflada
especialista no domínio
indefinição do alvo
falta de diversidade
anotação
falta de dados
dados faltantes
engenharia de features
-99
disponibilidade de GPU
otimização de parâmetros
controle de experimentos
escolha das métricas
eliminação de viés
explicabilidade
escalabilidade
performance
-99
critérios para retreinamento
recursos dedicados
-99
-99
-99
-99
Expectativa inflada do cliente para problema mal definido ou sem um alvo claro.
Falta de diversidade e quantidade de dados anotados com qualidade
Disponibilidade de especialista no domínio do problema
Sometimes
30
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
-99
quoted
-99
not quoted
50
not quoted
quoted
quoted
not quoted
not quoted
-99
Yes, Please, specify
Várias
https://statics.teams.cdn.office.net/
450
Completed (31)
1,226
Engineering
-99
Master in Business Administration
Computer Science Candidate
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
1
1
2
2
6-10 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Complex
Complex
Very Complex
Neutral
Neutral
Neutral
Neutral
20
20
30
10
5
10
5
Many times problems are not well understood
-99
-99
-99
-99
Data many times not available
-99
IMportant to have data ready to be processed
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Data Pre processing
Problem Understanding
-99
I don't know
20
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
Meeting Notes, mostly
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
quoted
Being Implemented
not quoted
0
not quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://statics.teams.cdn.office.net/
454
Completed (31)
629
Computer System Administration
Project Management Specialization
-99
-99
-99
-99
Colombia
501-1,000 employees
Business Analyst
-99
5
3
10
7
11-20 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Low Relevance
High Relevance
Not Relevant at All
Neutral
Neutral
Neutral
Very Complex
Easy
Easy
Easy
Easy
20
10
50
5
5
5
5
Access to domain experts
-99
-99
Permission to access the data
-99
-99
The task is complex by nature
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
What monitoring? There are many sources
-99
-99
-99
-99
-99
-99
-99
-99
Frequently
30
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
Partially. There are some pipelines but ....
not quoted
20
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
-99
462
Completed (31)
2,406
Computer Science
-99
MSc Computer Science
-99
UC Berkeley Data Science (10-Week Course)
-99
United States
51-250 employees
Data Scientist
-99
15
5
10
4
6-10 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
Predicting net revenue of financial operations
quoted
Classifying risks of financial trades and trading portfolios
not quoted
-99
not quoted
-99
quoted
Pattern recognition in values of financial assets
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Very Complex
Complex
Complex
Very Complex
Complex
Complex
Very Complex
10
15
30
20
10
10
5
Low customer and end-user involvement
Limited business understanding
No standardized way to clearly describe the needs
Heterogeneity of data sources
Limited data availability (volume)
No documentation and limited organization of existing data sources
Several formats of data
Identifying and eliminating outliers
Limited knowledge on statistics to understand when to securely apply pre-processing operations
Selecting the right machine learning algorithm (to address what is needed, which is typically not explicitly documented)
Hyperparameter optimization
Defining how and when the model should be updated
Selecting the right evaluation metrics
Having enough data to allow a good evaluation
-99
Choosing the most appropriate way of deploying the model
Automating the update of the model (retrain) and its deployment (MLOps)
-99
Knowing what to monitor
Preparing live feedback on the model's effectiveness
-99
Automating the model training and deployment
-99
-99
Selecting the right machine learning algorithm (to address what is needed, which is typically not explicitly documented)
Limited business understanding
Automating the model training and deployment
Frequently
70
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
Product Owner
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
10
quoted
not quoted
not quoted
not quoted
quoted
Actually the whole model monitoring is quite limited within my organization
No
-99
https://machine-learning-survey.web.app/
471
Completed (31)
2,202
-99
-99
-99
-99
I have completed some courses on ML and Data Science, mainly on Alura (a Brazilian e-learning platform) and less frequently on Udemy.
I also took a technical course on Electronics during High School.
Brazil
More than 2,000 employees
Data Scientist
-99
0
0
3
0
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally agile
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Fraud Prevention
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Neutral
Very Complex
Very Complex
Complex
Complex
Complex
Neutral
10
20
25
15
15
10
5
Understanding what are the relevant variables to model our problem.
-99
-99
Dealing with inconsistent data between different data bases.
Working around technical limitations regarding computational power.
Structuring a good and efficient pipeline for the data.
Dealing with high dimensional data and the computing limitations we often face.
Finding ways to make the data appropriate for the ML model (e.g.: converting strings, applying standardization, etc)
Dealing with NULL values and finding the best way to work them out.
Dealing with imbalanced data.
Calibrating the model.
-99
Evaluate the model's performance and assess if it fulfills its requirements.
-99
-99
Since I recently started working with ML models, I haven't had the opportunity to deploy a model yet.
-99
-99
Same as above.
-99
-99
-99
-99
-99
Dealing with imbalanced data.
Working around technical limitations regarding computational power.
Dealing with high dimensional data and the computing limitations we often face.
I don't know
0
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
20
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
463
Completed (31)
1,068
Electrical and Electronics Engineering
Data Science Especialization
M.Sc. in Business Administration
-99
Google Professional ML Engineer Certification
-99
Brazil
More than 2,000 employees
Data Scientist
-99
3
7
20
5
1-5 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
Complex
Easy
Neutral
Neutral
Neutral
Complex
Neutral
20
10
15
10
10
30
5
Access to stakeholders
Communication
-99
Data dispersion
-99
-99
Cleaning data
-99
-99
Choosing the best algorithm
-99
-99
Define the acceptable level of error
-99
-99
Infrastructure
Integration with application
-99
Monitoring tools
setting alarms
-99
-99
-99
-99
Access to stakeholders
Integration with application
-99
Frequently
30
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
50
quoted
not quoted
not quoted
not quoted
not quoted
-99
Yes, Please, specify
SageMaker Auto -Pilot
https://machine-learning-survey.web.app/
485
Completed (31)
912
Production Engineering
Executive MBA
-99
-99
DS4A - Correlation One
-99
Brazil
More than 2,000 employees
Other, which one?
FP&A coordinator
5
5
5
5
1-5 members
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Complex
Very Complex
Complex
Complex
Neutral
Easy
Very Easy
20
15
10
15
10
20
10
Business compreehension
Operation complexity
Desirable goals
Offline databases
Databases with inputs manually
-99
Databases with wrong informations
-99
-99
Need a lot of tests, re-evaluate the model
Sometimes we need go back to understanding and requirements
-99
Understanding if the results are reliable
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Business compreehension
Offline databases
Desirable goals
Frequently
50
quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
quoted
-99
not quoted
70
quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
470
Completed (31)
730
Information Systems
Software Architecture
-99
-99
-99
-99
Brazil
More than 2,000 employees
Developer
-99
10
0
1
1
6-10 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
Neutral
Neutral
Complex
Neutral
Very Complex
Very Complex
Complex
Neutral
Neutral
15
5
30
30
10
5
5
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Sometimes
10
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
0
not quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
474
Completed (31)
1,026
Computer Science
Data Management
Computer Engineering
Computer Engineering
No certification
-99
Turkey
More than 2,000 employees
Other, which one?
Professor
28
5
3
1
6-10 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Ad marketing, ERP, production management
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
Predicting the eCPM value
quoted
İmbalanced classification of production data
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Neutral
Low Relevance
Neutral
Complex
Neutral
Complex
Complex
Neutral
Complex
25
15
15
20
10
5
10
1
-99
-99
-99
1
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
1
-99
-99
-99
Problem Understanding and Requirements
Data Collection
Model Monitoring
Frequently
50
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
25
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://www.linkedin.com/
478
Completed (31)
991
Computer Science
-99
M.Sc. in Computer Science
-99
-99
-99
Sweden
1,001-2,000 employees
Other, which one?
Research student
2
1
2
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
I don't know
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Smart Grid
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Low Relevance
Low Relevance
Complex
Complex
Complex
Very Complex
Complex
Neutral
Neutral
20
10
40
20
10
0
0
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Never
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
Not applicable, it was for research purposes.
not quoted
-99
quoted
0
not quoted
not quoted
not quoted
not quoted
quoted
none
No
-99
https://machine-learning-survey.web.app/
487
Completed (31)
3,030
Computer Science
null
null
null
Coursera course on ML
-99
Brazil
More than 2,000 employees
Data Scientist
-99
7
1
3
1
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
Predict cashflow. Predict loan value.
not quoted
-99
not quoted
-99
quoted
Clustering clients
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Complex
Neutral
Neutral
Easy
Easy
Complex
Neutral
15
15
30
10
10
10
10
Broad scope
Requirements not so clear
-99
Data governance
Many origins
-99
Data quality
Data pattern
-99
-99
-99
-99
Define measures
-99
-99
Pipeline not defined
-99
-99
-99
-99
-99
-99
-99
-99
Data governance
Data quality
Broad scope
Frequently
70
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
20
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
481
Completed (31)
749
Physics
-99
Master in physics
-99
Data Science, Machine learning and Big Data specialization on Udemy
-99
Brazil
More than 2,000 employees
Data Scientist
-99
1
3
20
15
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
I don't know
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
Prediction of the probability of a telemarketing cold-call ending on a sale; prediction of the probability of a telemarketing cold-call collecting a debt
quoted
Classifying telemarketing representatives according to their efficiency against a propensity-scored list of names to call (patented)
not quoted
-99
quoted
Clustering personas for custom telemarketing strategies
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
quoted
quoted
quoted
Custom tensor-calculus algorithm
Extremely Relevant
Neutral
High Relevance
Neutral
Extremely Relevant
Neutral
High Relevance
Very Complex
Easy
Neutral
Very Easy
Easy
Complex
Neutral
50
5
15
5
10
10
5
People unwilling to share information
Finding who knows what
Having to quickly learn new stuff
Finding where is the data
Joining multiple data sources
-99
NaN imputation
Data normalization
Data cleansing
Training times (for SVMs and higher-dimensional algorithms)
-99
-99
Finding good metrics for unbalanced problems
Comparing different metrics
-99
Find a platform flexible enough to host multiple different kinds of models
Hooking up APIs and ensuring the model is scalable and accesible
-99
-99
-99
-99
-99
-99
-99
People unwilling to share information
Data normalization
Find a platform flexible enough to host multiple different kinds of models
Always
50
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
75
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
482
Completed (31)
2,075
Statistics
-99
Mestrado em Engenharia de Produção
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
10
10
10
10
11-20 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
SAS / SQL
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Easy
0
Complex
Easy
Easy
Very Complex
Very Complex
5
20
10
20
15
15
15
Pensamento analítico
Disponibilidade de tempo das equipes
Prioridade para resolução com a cultura data driven
Falta de histórico
Armazenamento - falta de espaço
Diferentes dontes de informação
Tempo de processamento
Armazenamento - falta de espaço
Tratamento de inconsistências
Convergência do modelo
Omissão de variáveis importantes devido a falta de histórico
Software adequado e mais rápido
Tradução para área de negócio
Aplicação na prática
Disponibilidade da equipe de BI
Falta de priorização da diretoria
-99
-99
Escassez de tempo
Escassez de recurso
falta de priorização da diretoria
-99
-99
-99
Falta de recurso para monitoramento
Despriorização por falta da cultura data driven
-99
Rarely
70
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
50
quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
483
Completed (31)
522
Computer Science
-99
Computer Science
-99
Coursera - Data Scientist
-99
Brazil
More than 2,000 employees
Project Lead / Project Manager
-99
2
2
3
1
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Very Complex
Very Complex
Very Complex
Neutral
Very Easy
Very Complex
Easy
30
20
20
13
2
10
5
Not understand
-99
-99
Data in different places
Data with missing data
Lack of pattern
Lack of a rule
-99
-99
Choose the best one
-99
-99
Not have
-99
-99
Dont Know
Need dev support
-99
Easy nowadays
-99
-99
-99
-99
-99
Grab the incorrect Data
Prepare it wrongly
Overfitting
Frequently
40
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
20
quoted
not quoted
not quoted
not quoted
not quoted
-99
Yes, Please, specify
AutoSklearn, Autopilot from AWS
https://machine-learning-survey.web.app/
486
Completed (31)
852
-99
-99
CEFET/RJ
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
6
0
1
0
1-5 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly traditional
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
Classify Cancer
quoted
Detect Client behavior
not quoted
-99
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
High Relevance
High Relevance
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Very Complex
Very Complex
Neutral
Complex
Complex
Complex
5
5
60
10
10
5
5
Client desires
-99
-99
Choose data
Representative Data
-99
Bad Pre-processing
-99
-99
Bias Model
Choose a algorithm
-99
-99
-99
-99
Choose a platform
Platforms Costs
-99
-99
-99
-99
-99
-99
-99
Bias Model
Choose data
Representative Data
I don't know
70
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
-99
not quoted
-99
quoted
10
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://ww2.unipark.de/uc/seml/
488
Completed (31)
2,150
Computer Science
Managent Analytics
Data Science
-99
-99
-99
Canada
More than 2,000 employees
Requirements Engineer
-99
6
4
3
2
11-20 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Complex
Neutral
Neutral
Very Complex
Complex
Very Complex
Complex
30
5
5
20
25
5
10
business understanding
unreasonable timelines
unreasonable expectations
business understanding
data quality
-99
-99
-99
-99
-99
-99
-99
relevance of recommendations
feasibility of recommendations
-99
lack of production support
lack of understanding of ML in general
-99
lack of production support
lack of understanding of ML in general
-99
-99
-99
-99
unreasonable expectations
unreasonable timelines
lack of production support
Frequently
40
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
100
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
489
Completed (31)
1,717
Civil Engineering
MBA in Logistics, MBA in Data Science (USP - ICMC)
-99
-99
Data Science For All Graduate
-99
Brazil
More than 2,000 employees
Data Scientist
-99
1
1
1
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
SQL
not quoted
-99
quoted
Churned users classification
not quoted
-99
quoted
Unsupervised users clustering
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Extremely Relevant
Complex
Neutral
Complex
Neutral
Easy
Complex
Very Complex
10
10
20
30
10
10
10
lack of business knowledge
short deadlines
goal too wide
-99
-99
-99
outlier treatment
-99
-99
-99
-99
-99
lack of a defined goal
-99
-99
no structured pipeline
-99
-99
-99
-99
-99
no feature store
early stage ML pipeline
-99
lack of business knowledge
goal too wide
no structured pipeline
Frequently
100
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
SRE Team, mainly the Data Lead
not quoted
not quoted
not quoted
not quoted
quoted
quoted
Squad's OKRs
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Google Docs shared between stakeholders
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
20
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
491
Completed (31)
2,855
Statistics
CRM Specialization
-99
-99
-99
Alura Data Science Courses
Portugal
More than 2,000 employees
Other, which one?
Data Analyst
0
8
8
8
1-5 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
Kaizen
Mostly traditional
quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
SAS Guide, SAS Miner, Knime, IBM Modeler, SPSS Clementine
quoted
Using market and competitor data for pricing
quoted
Using the combinatination of Traditional and ML techniques for Churn Prevention and Retention/Recovery, Fraud Detection, Judicial Claims Management, Credit and Behavior Scoring;
not quoted
-99
quoted
Using market and competitor data to clustering pricing regions;
quoted
RFV for pre-paid telecommunication services
not quoted
quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
Ridge, LASSO/LARS Regressions
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Easy
Neutral
Complex
Easy
Easy
Very Complex
Complex
5
30
30
10
5
15
5
Difficulty defining the problem and directing the solution to it
-99
-99
Combining different data sources, processing difficulties (lack of space and capacity)
-99
-99
Data Cleaning, Analysis and a qualified Feature Engineering
-99
-99
Hyperparameter tuning
-99
-99
Compare different models and their performance metrics
-99
-99
Difficulty transcribing model codes for legacy/outdated systems
Many different environments to deploy
-99
Combining the best way to monitor explanatory variables with possible business impacts
-99
-99
Prioritize the use of advanced techniques over best practices in bivariate analysis and feature engineering
-99
-99
Data Collection
Data Pre-Processing
Model Deployment
Rarely
20
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
Formal Documentation in Confluence for Models Validation and Audit (Internal/External)
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
90
quoted
quoted
quoted
quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
492
Completed (31)
876
Computer Science
Informatins
M.Sc in Informatics
PH.D in Informatics
-99
-99
Portugal
More than 2,000 employees
Data Scientist
-99
20
4
4
2
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Complex
Neutral
Neutral
Neutral
Complex
Neutral
Neutral
30
10
30
15
5
5
5
Meet customers expectatives
Clearness of business rules
Linking constraints
Retrieve data from different sources
-99
-99
Lack of information
Unbalanced data
-99
Overfitting / Underfitting
Choice of different algorithms
-99
Understanding which is the best indicative (recall, accuracy)
-99
-99
-99
-99
-99
Baseline creation to compare the performance
-99
-99
-99
-99
-99
Meet customers expectatives
Clearness of business rules
Lack of information
Frequently
70
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
Design documents
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
0
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
495
Completed (31)
706
Information Systems
-99
M.Sc em Sistema de Informação
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
1
4
5
2
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
quantidade de falhas na linha de produção, quantidade de materiais a ser utilizado para fabricação de um produto, quantidade de vendas do produto no próximo mês
not quoted
-99
quoted
quais falhas na linha de produção acontecem em conjunto
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Complex
Complex
Neutral
Easy
Easy
Neutral
30
10
10
20
10
10
10
Conversa com o cliente
-99
-99
Difícil acesso
-99
-99
Não estruturados
-99
-99
Linguagem de programação
-99
-99
Linguagem de programação
-99
-99
Linguagem de programação
-99
-99
Linguagem de programação
-99
-99
-99
-99
-99
-99
-99
-99
Rarely
60
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
80
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
498
Completed (31)
714
Information Systems
Machine Learning
-99
-99
Deep Learning specialization on Coursera; NLP and DS Nanodegrees on Udacity
-99
Brazil
More than 2,000 employees
Data Scientist
-99
4
5
5
2
6-10 members
not quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
Content Moderation
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
Product Recommendation
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
High Relevance
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Complex
Neutral
Neutral
Neutral
Complex
Very Complex
Very Complex
20
20
25
10
10
10
5
Business expectation
-99
-99
Spread data sources
-99
-99
Data volume
Data variety
-99
Performance
-99
-99
Relevant metrics
-99
-99
Scalability
-99
-99
Tools
Infrastructure
-99
-99
-99
-99
Business expectation
Spread data sources
Relevant metrics
Sometimes
60
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
-99
quoted
Time-based retraining
not quoted
10
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
504
Completed (31)
810
Computer Science
-99
-99
-99
-99
-99
Brazil
1-10 employees
Other, which one?
Student
3
1
1
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
I don't know
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Accessibility
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
C#
not quoted
-99
quoted
Classifying hand gestures to identify the Libras' alphabet
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Neutral
Neutral
Complex
Very Complex
Complex
Neutral
Neutral
Neutral
Easy
10
30
20
20
10
5
5
Defining the requirements
-99
-99
Modeling the data
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
I don't know
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Me, student and developer
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
-99
https://machine-learning-survey.web.app/
505
Completed (31)
1,349
Electrical and Electronics Engineering
-99
Complex Systems
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
4
3
8
2
6-10 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Neutral
Complex
Complex
Complex
Very Complex
Very Complex
Neutral
15
20
20
15
10
15
5
abrupt changes in project scope
Lack of alignment and convergence in project expectations
Understanding the business context
Data from various sources
Data in different formats
Data availability
Null values
Outliers
Biaeses
Which model to use
Benchmark between models
-99
Which metric use
Hyperparameters tuning
-99
API use
Correct versioning
Infrastructure
Negative feedback
Deploying new versions
-99
Documentation
-99
-99
Abrupt changes in project scope
Which model to use
Which metric use
Sometimes
30
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
0
not quoted
not quoted
not quoted
not quoted
quoted
none
No
-99
https://machine-learning-survey.web.app/
508
Completed (31)
1,725
Management and Industrial Engineering
Post Grad in Data Science and Business Analytics
Management and Strategy
-99
-99
-99
Portugal
More than 2,000 employees
Other, which one?
Data Analyst
1
1
1
0
1-5 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly traditional
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
internal expenses classification (ex: travel, real estate, insurance, technology)
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Complex
Complex
Complex
Very Complex
Complex
Very Complex
Complex
10
20
15
30
10
15
0
Difficulty to simplify
-99
-99
Lack of data quality
-99
-99
-99
-99
-99
Low knowledge of actual advantages and disadvantages of each model
Training time
-99
Very godd results or very bad results
-99
-99
-99
-99
-99
Few indicators
-99
-99
-99
-99
-99
Lack of data quality
Low knowledge of actual advantages and disadvantages of each model
Few indicators
Frequently
70
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
20
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
511
Completed (31)
1,072
Robotics Engineering
Autonomous Vehicle Navigation
Information Engineering
-99
-99
-99
Brazil
251-500 employees
Data Scientist
-99
5
1
3
1
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
I don't know
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
Agriculture
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
CNN
Extremely Relevant
High Relevance
Extremely Relevant
Neutral
High Relevance
High Relevance
High Relevance
Complex
Neutral
Easy
Neutral
Complex
Complex
Complex
20
10
15
15
20
10
10
classification vs regression
-99
-99
timestamp, noise, missing data
-99
-99
pre-processing cost
-99
-99
which model
-99
-99
which metrics
-99
-99
deployment costs
-99
-99
not sure
-99
-99
-99
-99
-99
poor data representation
incorrect problem framing
-99
I don't know
50
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
software engineer
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Confluence docs
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
i am not sure
quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
80
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
512
Completed (31)
1,191
Statistics
Data Science specialization
-99
-99
-99
-99
Brazil
More than 2,000 employees
Other, which one?
Data Manager
0
20
100
10
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally agile
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
Newspaper sale
quoted
Credit Score, Behaviour Score, Prediction Sale
quoted
cross sales
quoted
Geograph Segmentation, Behaviour Segmentation
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Very Complex
Very Complex
Complex
Complex
Complex
Complex
Complex
20
30
10
10
20
10
0
understand
-99
-99
where is data
put togheter
its is ok
-99
-99
-99
find the best
-99
-99
-99
-99
-99
put in file not priority
-99
-99
infra
-99
-99
-99
-99
-99
bad understanding
buid a good dataset
not priority to deploy
Frequently
70
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
10
quoted
not quoted
quoted
quoted
not quoted
-99
Yes, Please, specify
H2O, DataRobot
https://machine-learning-survey.web.app/
515
Completed (31)
572
-99
I have specialization in Big Data
I haven't
I haven't
I haven't
I haven't
Brazil
More than 2,000 employees
Data Scientist
-99
1
1
1
4
50+ members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
Classification in sales and net financials
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
10
25
10
10
5
20
20
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Sometimes
75
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
-99
not quoted
-99
quoted
40
not quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
516
Completed (31)
1,138
Statistics
Data Science specialization
-99
-99
-99
-99
Brazil
More than 2,000 employees
Business Analyst
-99
3
6
5
2
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
performance metric prediction applied to logistics
quoted
sales website recommendation algorithm
not quoted
-99
quoted
grouping of logistics agencies to understand performance and profiles
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Complex
Neutral
Neutral
Very Complex
Neutral
Complex
Neutral
20
15
25
20
5
10
5
communication
-99
-99
security
-99
-99
dirty data
-99
-99
choice of model
-99
-99
unbalanced classes
choice of Evaluation
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
communication
security
dirty data
Sometimes
60
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
20
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
-99
https://machine-learning-survey.web.app/
517
Completed (31)
4,083
Mechatronics Engineering
-99
M.Sc. in Theoretical Physics
Ph.D in Theoretical Physics
Machine Learning on Coursera
-99
Brazil
More than 2,000 employees
Business Analyst
-99
3
3
6
3
6-10 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
scala
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
quoted
anomaly detection
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
Isolation Forest
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
Neutral
Complex
Very Complex
Complex
Very Complex
Very Complex
Neutral
5
5
60
5
10
10
5
Expectations alignment
business understanding
business metric evaluation
data inconsistency
data integration
data leakage
missing data
outliers
feature engineering
unbalanced dataset
model selection
feature selection
evaluation metric
hyperparameter tuning
model interpretation
library versioning
real time solutions
well defined pipeline
features drifting
-99
-99
-99
-99
-99
evaluation metric
business metric evaluation
data leakage
Frequently
50
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
Confluence pages
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
30
quoted
quoted
quoted
quoted
quoted
features drifting
Yes, Please, specify
Azure ml
https://machine-learning-survey.web.app/
521
Completed (31)
1,036
Civil Engineering
Data Science
Management information systems/ Computer Engineering
-99
IBM AI Professional Certificate, Coursera Python for Everybody's Specialization, DeeplearingAI Coursera
-99
Turkey
1,001-2,000 employees
Data Scientist
-99
3
3
10
5
1-5 members
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
r&d
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
quoted
-99
quoted
-99
quoted
NLP
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
Neutral
40
30
10
10
3
4
3
aim
scope
method
broken data
platforms
pipelines
data flow
hardware
pipelines
algorithms
performance
metrics
metrics
performance
algorithms
java-python integration
-99
-99
domain expertise
hardware
-99
-99
-99
-99
business understanding
data flow
methods
Frequently
50
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
quoted
Yes we are using an automated ML tool
not quoted
30
quoted
quoted
quoted
not quoted
not quoted
-99
Yes, Please, specify
Our in house developed AutoML tool
https://machine-learning-survey.web.app/
523
Completed (31)
1,872
Electrical and Electronics Engineering
-99
M.Sc. in Engineering
Ph.D. in Computer Science
Coursera/edX courses on ML and data science
-99
Brazil
More than 2,000 employees
Developer
-99
3
6
2
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
Neutral
High Relevance
High Relevance
High Relevance
Very Complex
Complex
Neutral
Easy
Complex
Very Complex
Very Complex
15
10
5
25
10
25
10
Unclear functional requirements and target success metrics
Poor understanding of the risks and benefits trade-offs
-99
Getting frictionless access to many data sources
Input pipelines not properly prepared for handling massive data consumption
-99
ETL systems implemented in an ad-hoc
Basic support from data teams
-99
Not enough expertise in the company
Lack of professional tools for tracking experiments
Costs associated with cloud computing and storage
Unclear evaluation protocol and metrics
Lack of a culture of thorough evaluation before rollouts
-99
Lack of automated and easy-to-use deployment pipelines
Not enough expertise in the company
-99
Not enough expertise in the company
-99
-99
Getting the necessary support and sponsorship from upper management
Unrealistic or distorted expectations from upper management
-99
Unclear functional requirements and target success metrics
Unrealistic or distorted expectations from upper management
Lack of automated and easy-to-use training and deployment pipelines
Frequently
70
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
Design docs
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
10
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
529
Completed (31)
2,533
Computer Engineering
-99
-99
-99
IA HCIA huawei, ML HCIA huawei, ML HCIA huawei nv2
data science udemy
Brazil
More than 2,000 employees
Other, which one?
data analyst
0
1
1
1
20-50 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Totally agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
Extremely Relevant
Complex
Neutral
Complex
Easy
Very Complex
Complex
Easy
20
5
20
10
20
10
15
-99
-99
-99
malformed data
-99
-99
-99
-99
-99
-99
-99
-99
discover best validation metric
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
malformed data
discover best validation metric
Never
40
quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
95
not quoted
quoted
quoted
quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
533
Completed (31)
1,299
-99
-99
Pontifícia Universidade Católica
-99
-99
-99
Brazil
1,001-2,000 employees
Data Scientist
-99
1
0
0
0
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
TMVA - Toolkit for Multivariate Data Analysis
I don't know
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Science
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
To estimate the best values for minimazing background events number of a decay
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Neutral
Extremely Relevant
Neutral
High Relevance
I don't know
I don't know
Neutral
Complex
Very Complex
Very Complex
Complex
Neutral
Neutral
5
10
30
30
10
10
5
Client needs
Strategy
-99
Engineering complexity
-99
-99
the correct pre-cuts
Gathering all samples
-99
The best model
-99
-99
If everything went right
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
the correct pre-cuts
If everything went right
Engineering complexity
I don't know
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
My master's program mentor
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
I don't know
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
I don't know
not quoted
-99
quoted
-77
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
536
Completed (31)
1,155
Computer Engineering
-99
M.Sc. in Computer Science
-99
-99
-99
Brazil
251-500 employees
Developer
-99
1
1
1
1
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
quoted
Clustering packages to reduce their size input and provide a smaller one to the mathematical model
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Neutral
High Relevance
High Relevance
Extremely Relevant
Neutral
High Relevance
Neutral
Complex
Complex
Complex
Easy
Neutral
Neutral
30
10
15
15
20
5
5
The problem is not well defined
-99
-99
Lack of data
Unstructured data
-99
-99
-99
-99
Deciding which ML method is going to be used
-99
-99
Defining a metric if the existing ones do not capture what you are measuring
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
The problem is not well defined.
Lack of data
Defining a metric if the existing ones do not capture what you are measuring
Frequently
70
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
Creating a document in Confluence.
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
50
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
538
Completed (31)
2,248
Information Systems
not applied
M.Sc. in Electrical Engineering at Federal University of Minas Gerais (UFMG)
Ph. D. in Electrical Engineering at Federal University of Minas Gerais (UFMG)
not applied
-99
Brazil
More than 2,000 employees
Developer
-99
2
1
0
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly traditional
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Complex
Complex
I don't know
Easy
Easy
I don't know
Neutral
10
10
20
20
20
10
10
Problem should be properly explained in order to be developed
-99
-99
Achieve data for the modeling
-99
-99
Handling attributes and sample selection for the model
Missing attributes
-99
Setting parameters
Overfitting
-99
Errors handling
Model redeveloping
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Problem should be properly explained
Errors handling
Achieve data for the modeling
Sometimes
55
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
-99
not quoted
-99
quoted
0
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
541
Completed (31)
655
Electrical and Electronics Engineering
Signal Processing
M.Sc. in Electrical and Electronics Engineering
Ph.D. in Electrical and Electronics Engineering
Coursera Deep Learning Specialization
-99
Turkey
11-50 employees
Project Lead / Project Manager
-99
10
5
4
0
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
Predicting company's customer using classification to identify premium or not
not quoted
-99
not quoted
-99
not quoted
-99
quoted
Detecting possible fradulent phone calls performed by employees by using the silence information in call center recordings.
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Extremely Relevant
Complex
Very Complex
Neutral
Complex
Easy
Neutral
Easy
15
40
10
15
5
10
5
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Frequently
65
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
-99
https://machine-learning-survey.web.app/
543
Completed (31)
893
Mechanical Engineering
Mechanical Dynamics
M.Sc. in Computer Science
Ph.D. in Information Technologies
Coursera
Udemy
Turkey
More than 2,000 employees
Data Scientist
-99
18
5
3
3
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly traditional
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Neutral
Easy
Easy
Very Complex
Complex
Complex
Neutral
10
10
20
30
15
10
5
conflicting requirements
-99
-99
if data is not available this step takes extremely long time
-99
-99
preprocessing combinations shall be performed well
-99
-99
developing a better model
hyperparameter optimization
-99
evaluation metrics shall be determined well
-99
-99
if deployed to other departments, model shall be well documented
-99
-99
-99
-99
-99
-99
-99
-99
developing a better model
hyperparameter optimization
preprocessing combinations shall be performed well
Rarely
50
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
0
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
546
Completed (31)
1,293
Data Base
MBA - Gestão de Projetos
-99
-99
-99
-99
Brazil
More than 2,000 employees
Other, which one?
Especialista em Prevenção a Fraudes
2
1
1
1
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly traditional
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Fraud prevention
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Complex
Neutral
Complex
Complex
Complex
Complex
Complex
30
10
10
20
10
10
10
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Never
-77
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
40
not quoted
quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
29
Completed after break (32)
-1
Statistics
Data Science specialization
-99
-99
-99
-99
Brazil
501-1,000 employees
Data Scientist
-99
26
1
2
1
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Government
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
Extremely Relevant
High Relevance
High Relevance
Very Complex
Complex
Very Complex
Complex
Complex
Neutral
Complex
25
15
15
20
10
5
10
User Response
User Language
User Understanding
what are the data
where is the data
What are the meanings of data
what formats
What kind of data standardization
How to reduce dimensionality
Which algorithms best fit
Which hyperparameters
What are the numbers of Training, Validation and Testing
What performance indicators
What is the baseline for comparison?
-99
How to couple the model call to the transactional system
-99
-99
What is the periodicity of evaluation
What is the acceptable error limit?
-99
-99
-99
-99
User Understanding
User Response
Which algorithms best fit
Sometimes
40
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
10
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
80
Completed after break (32)
-1
Computer Science
-99
MSC Computer Science
phd in Technical Sciences
Data Science Specialications (Stanford, Harvard, Datacamp)
Teaching Data Science for 3 Years
Austria
51-250 employees
Data Scientist
-99
10
5
4
3
1-5 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
predict and extract information from images
quoted
classify network traffic
not quoted
-99
not quoted
-99
quoted
find assocations together with patterns
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
High Relevance
Extremely Relevant
Extremely Relevant
Very Complex
Neutral
Neutral
Easy
Complex
Complex
Complex
15
15
20
10
15
15
10
Available Time/Ressources compared to Target
-99
-99
Precollected, unflexible Datacollection
-99
-99
Data Quality,
Governance
Accessibility
Compatibility
Compute Ressources
-99
Metrics and Target dissonance
Definition of done
-99
Technical Framework
API Standards
-99
Continuity
Failure Detection
-99
-99
-99
-99
Human Misunderstanding
Technical Debt
-99
Frequently
30
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
quoted
quoted
quoted
not quoted
-99
quoted
Continous Integration and Monitoring
not quoted
20
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://www.linkedin.com/
102
Completed after break (32)
-1
Computer Science
none
Master in Software Engineering
PhD in Computing Science and Telecomunications
none
-99
Poland
More than 2,000 employees
Project Lead / Project Manager
-99
17
2
5
4
6-10 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Very Complex
Neutral
Neutral
Very Complex
Very Complex
Neutral
Complex
17
10
10
25
25
7
6
Elicit problem from custmer
Understand the domain
-99
NDA
Contract negotiation
-99
Understand the data schema
-99
-99
Understand what criteria (factors) are
Select the algorithm
-99
Choosing measures
-99
-99
Technical issues connected with using the infracturure
New environement buying or development
-99
-99
-99
-99
-99
-99
-99
NDA and Contract
Understand the data schema
Understand what criteria (factors) are
I don't know
30
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
quoted
analysis of artifacts
not quoted
not quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Explaining to customer that ML-based system will not be a perfect box that will just take their data and predict everything
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
20
not quoted
quoted
not quoted
quoted
not quoted
-99
No
-99
https://t.co/
152
Completed after break (32)
-1
Computer Science
-99
Computer Science
Computer Science
-99
-99
Brazil
51-250 employees
Project Lead / Project Manager
-99
10
5
9
5
1-5 members
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
Law, Agribusiness
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Neutral
Neutral
Complex
Complex
Complex
Complex
20
10
40
10
10
5
5
Disponibilidade para conversar com a pessoa que entende do domínio
Alinhar expectativa do que será entregue no final
-99
Encontrar dados representativos
Encontrar dados estruturados
-99
Estruturar dados
Limpeza dos dados
-99
Escolher o modelo adequado para o problema
Interpretar o aprendizado do modelo
-99
Atingir uma acurácia adequada
Validar o resultado com o cliente
-99
Disponibilizar no servidor ou no serviço de nuvem
-99
-99
Configurar ferramentas para esse fim
Estabelecer threshehold de normalidade
-99
-99
-99
-99
Encontrar dados representativos
Limpeza dos dados
Escolher o modelo adequado para o problema
Sometimes
50
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
50
not quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
-99
163
Completed after break (32)
-1
-99
-99
-99
-99
-99
-99
0
0
0
-99
-99
-99
-99
-99
0
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
High Relevance
Neutral
Very Complex
Very Complex
Neutral
Complex
Neutral
Complex
5
15
25
15
10
15
15
Inaccurate explanation of the problem
Low interaction between those who actually face the problem and those who will solve the problem
-99
Quality of the data (Lot of problems, NaN, non numerical values, Features with very few data, etc) - Data Cleansing
Small dataset after filtering problems in data
-99
Defining criterion for data filling without proper knowledge of the process
-99
Overly confidence on AutoML frameworks
Poor Tuning of Hyperparameters
-99
Inaccurate understanding of the goal of the model
Defining only one KPI for evaluation
-99
Negligence of problems in real-time data
-99
-99
Not tuning a Model Monitoring framework correctly
Perceiving drifts in data as a reason for constant retraining of the models, and not as a reason to look deeper into a model's performance. Drift Detection should only help decision making and not guide them
-99
-99
-99
-99
Quality of the data (Lot of problems, NaN, non numerical values, Features with very few data, etc) - Data Cleansing
Low interaction between those who actually face the problem and those who will solve the problem
-99
Sometimes
20
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
20
quoted
not quoted
not quoted
not quoted
not quoted
-99
Yes, Please, specify
AutoML
-99
169
Completed after break (32)
-1
Computer Engineering
Project Management
-99
-99
-99
-99
Turkey
11-50 employees
Project Lead / Project Manager
-99
18
2
3
1
6-10 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Very Complex
Very Complex
Neutral
Complex
Neutral
Neutral
10
20
25
20
15
5
5
defining success metrics
defining milestones and planning a timeline
-99
data samples are unavailable
data collected from multiple sources is heterogeneous
-99
Data inconsistency
Existence of manipulated data
-99
Lack of domain expertise
Issues with annotation
-99
-99
-99
-99
Choosing the right production requirements
Navigating organizational structure for machine learning operations
-99
changes in data and relationships between input and output variables.
-99
-99
-99
-99
-99
defining success metrics
data samples are unavailable
data samples are unavailable
Sometimes
30
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
10
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://www.linkedin.com/
209
Completed after break (32)
-1
Computer Science
Business Data Analysis
-99
-99
-99
-99
Jordan
More than 2,000 employees
Project Lead / Project Manager
-99
0
0
3
3
6-10 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
Identify user errors during data entries
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Neutral
Neutral
High Relevance
Neutral
High Relevance
Extremely Relevant
High Relevance
Complex
Neutral
Neutral
Neutral
Complex
Neutral
Neutral
15
25
10
15
10
20
5
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Sometimes
20
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
30
not quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
-99
245
Completed after break (32)
-1
Computer Science
-99
-99
-99
-99
-99
Italy
11-50 employees
Project Lead / Project Manager
-99
11
5
5
1
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Brand reputation and virtual assistant
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
Neutral
Neutral
Low Relevance
Complex
Complex
Complex
Neutral
Complex
Easy
Easy
25
15
20
20
10
5
5
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
I don't know
50
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
-99
273
Completed after break (32)
-1
Industrial Engineering
Operations Research
Industrial Engineering
Computational Science
Udacity Data Scientist
-99
Turkey
1-10 employees
Other, which one?
Founder
15
19
30
15
1-5 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
Energy - Electricity Generation
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
Scala
quoted
-99
quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Very Complex
Neutral
Neutral
Complex
Neutral
Neutral
Neutral
10
20
35
20
5
5
5
Insufficent or flawed problem formulation
Irrelevant business objectives
Limited domain knowledge
Limited data availibility
Limited data accesibility
-99
High degree of need for cleansing
Poor understanding and knowledge of data
-99
Selection of appropriate modeling techniques
Requirement of deep understanding of techniques
-99
Defining evaluation criteria where accuracy, hit rate recall rate etc. are not enough..
-99
-99
Integration requirements with other systems
-99
-99
Poor data and model governance
-99
-99
-99
-99
-99
Insufficient business understanding and problem formulation
Inappropriate or poor model building and development
Bad integration and deployment
Frequently
30
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
80
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
323
Completed after break (32)
-1
Chip designer
SW Architectures
-99
-99
ADSCAMP
-99
Hungary
More than 2,000 employees
Other, which one?
SW Architect
24
6
4
4
6-10 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
Trends
quoted
Anomalies
not quoted
-99
quoted
User/network behavior
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Complex
Very Complex
Neutral
Neutral
Neutral
Neutral
Easy
20
30
10
20
10
5
5
not well specified
hypothesis is not valid
-99
no proper data available
data is too noisy, or missing
-99
scaling issues on big data
-99
-99
time to test different solutions
-99
-99
proper data set
-99
-99
-99
-99
-99
access to metrics
-99
-99
-99
-99
-99
missing proper data
lack of specifications
invalid hypothesis
Always
38
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
MXE
not quoted
70
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
329
Completed after break (32)
-1
Computer Science
Machine Learning,NLP
-99
-99
-99
-99
Turkey
1-10 employees
Developer
-99
4
1
1
20
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
C#
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
LUIS.AI from Microsoft Cognitive Services was used (NLP)
Neutral
High Relevance
0
Extremely Relevant
High Relevance
Low Relevance
Neutral
Neutral
Neutral
Complex
Very Complex
Neutral
Very Easy
Very Easy
12
13
20
30
15
5
5
changing demands
-
-
low number of people to enter data
-
-
-
-
-
time spent understanding the system
-
-
more data entry
-
-
integration with skype business
-
-
-
-
-
-
-
-
employee who will use it get used to talking with chatbot
-
-
Sometimes
75
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
quoted
by submitting my undergraduate thesis to the institution
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
quoted
using LUIS.AI api
not quoted
45
quoted
not quoted
quoted
not quoted
not quoted
-99
Yes, Please, specify
LUIS.AI
-99
344
Completed after break (32)
-1
Mathematics
Numerical Simulation & Non-Linear Optimization
Applied Mathematics
-99
-99
-99
Austria
1-10 employees
Other, which one?
Managing Director & Team Lead Data Science
1
1
3
1
1-5 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Neutral
High Relevance
High Relevance
High Relevance
Very Complex
Complex
Complex
Complex
Neutral
Complex
Neutral
20
30
20
10
5
10
5
-99
-99
x
x
-99
-99
-99
x
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Schlechte Datenqualität
Ungenaue Requirements
Deployment
Frequently
40
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
10
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
353
Completed after break (32)
-1
Computer Engineering
-99
MSc in E-commerce and Internet Computing
-99
-99
-99
Hong Kong
251-500 employees
Project Lead / Project Manager
-99
10
5
6
3
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
High Relevance
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
Complex
Very Complex
Very Complex
Neutral
Complex
Neutral
Complex
20
30
15
10
10
15
0
Manage client expectation on we what ML can do
-99
-99
Select the right data source
Process with non digitalize data
Consolidate data from difference source
Data formating
-99
-99
Select the right model
Computation power resources limitation
-99
Select the right matrics
Select the right validation data set
-99
Deployment with legacy system
UAT accpetance with client
-99
Performance drop after certain period
-99
-99
-99
-99
-99
Manage client expectation on we what ML can do
Process with non digitalize data
UAT accpetance with client
Sometimes
70
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
50
quoted
quoted
quoted
quoted
not quoted
-99
No
-99
-99
357
Completed after break (32)
-1
Computer Science
Software Engineering
M.Sc. in Knowledge Extraction
-99
-99
-99
Bulgaria
51-250 employees
Solution Architect
-99
14
7
5
4
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Totally agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Advertising
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Neutral
High Relevance
Low Relevance
High Relevance
Complex
Neutral
Neutral
Neutral
Complex
Neutral
Neutral
15
5
20
20
20
10
10
communication barrier
-99
-99
privacy policies
-99
-99
-99
-99
-99
plugging custom logic into the training framework
-99
-99
choosing the right metrics to focus on
-99
-99
response latency
-99
-99
understandability (esp. for black box models)
-99
-99
-99
-99
-99
communication barrier when extracting requirements
not having enough or the right data collected
properly evaluating the models
Sometimes
50
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
quoted
We have pipelines to regularly retrain,update and deploy our models in production, taking the latest released code. In this process we store the output models alongside a snapshot of their training data for explainability reasons.
not quoted
75
not quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
-99
413
Completed after break (32)
-1
Nuclear Engineering
Mathematical modeling, optimization, machine learning
M.Sc. in Mechanical Engineering
Ph.D. in Mechanical Engineering
-99
-99
Turkey
1,001-2,000 employees
Project Lead / Project Manager
-99
255
4
10
2
11-20 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
Energy
quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
quoted
recommendation (treatment, portfolio)
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
Extremely Relevant
High Relevance
High Relevance
Very Complex
Very Complex
Complex
Complex
Complex
Very Complex
Complex
25
20
15
15
10
10
5
Lack of domain knowledge
Unclear criteria for success
-99
Insufficient training data
Non-representative training data
Privacy and legal issues
Weak semantics of data
Poor data quality
-99
Identifying best algorithm
Overfitting and underfitting
-99
Identifying correct metrics
-99
-99
Integration with existing systems
-99
-99
-99
-99
-99
-99
-99
-99
Insufficient training data
Lack of domain knowledge
Overfitting and underfitting
Sometimes
20
not quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
25
quoted
quoted
quoted
not quoted
not quoted
-99
No
-99
-99
418
Completed after break (32)
-1
Computer Science
Software Engineering
M.Sc. in Computer Science
-99
Data Scientist Basic
-99
Germany
51-250 employees
Project Lead / Project Manager
-99
5
3
3
0
1-5 members
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
agile style (iterative, regular meetings,...) - but not fully Scrum
Mostly agile
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Production
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
Neutral
I don't know
High Relevance
I don't know
Neutral
Neutral
Complex
Complex
Neutral
Very Complex
I don't know
12
8
35
20
5
18
2
Convincing people of the need of doing right
Involvement of the right persons
-99
too less data
bad data quality
no (technical) experience
Bad data quality
Misleading understanding
Too many people working at the same thing (or have different opinions)
-99
-99
-99
-99
-99
-99
Runtime requirements
-99
-99
-99
-99
-99
-99
-99
-99
Bad data quality
-99
-99
Never
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
-99
-99
439
Completed after break (32)
-1
Physics
-99
Game Design
-99
-99
-99
Turkey
11-50 employees
Developer
-99
4
3
2
1
6-10 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
Advertisement
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
High Relevance
Very Complex
Easy
Neutral
Neutral
Complex
Neutral
Easy
20
30
10
10
20
5
5
Defining problem properly
-99
-99
Collecting necessary data consistently
-99
-99
Filling missing data
-99
-99
Finding correct model
-99
-99
Hyperparameter optimization
-99
-99
Implementing model without damaging working system
-99
-99
Comparison
-99
-99
-99
-99
-99
Defining problem properly
Finding correct model
Implementing model without damaging working system
Sometimes
30
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
100
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
-99
451
Completed after break (32)
-1
Industrial Engineering
-99
M.Sc. in Operational Research
D.Sc. in Operational Research
-99
-99
Brazil
More than 2,000 employees
Other, which one?
Operational Research Analyst
16
16
32
30
1-5 members
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
quoted
Systems Simulation
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Optimisation Metaheuristics, Reinforcement Learning
Extremely Relevant
Extremely Relevant
I don't know
Extremely Relevant
I don't know
Extremely Relevant
I don't know
Complex
Complex
I don't know
Neutral
I don't know
Complex
I don't know
0
40
0
15
15
30
0
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Frequently
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Operational Research Analyst
quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Mathematical Models
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
quoted
Technical Reports
not quoted
-99
quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://statics.teams.cdn.office.net/
449
Completed after break (32)
-1
Computer Science
Systems Analysis
Data Science
-99
Udacity Deep Learning Nanodegree, Udacity Data Engineer Nanodegree, Coursera Deep Learning Specialization, Azure Data Scientist Certification, Azure AI Engineer Certification
-99
Brazil
More than 2,000 employees
Project Lead / Project Manager
-99
18
3
10
2
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
High Relevance
High Relevance
Complex
Very Complex
Easy
Complex
Neutral
Neutral
Neutral
15
35
10
20
5
10
5
Specific Business Scenarios can be complex
Lack of similar problems in the academia and the market in general
-99
Annotated data
Data Availability
Data in Volume Enough
Unstructured data
Unlabeled data
Data Volume
Algorithm complexion
Data Volume
Hardware limitation
Problem, data and model interpretability
Model size
-99
Infrastructure available
Tipically, data scientists don't know or want to do that
-99
Lack of tools ready for monitoring
Need to implement from scratch
-99
-99
-99
-99
Data Availability
Annotated data
Hardware limitation
Frequently
50
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
-99
not quoted
-99
quoted
10
not quoted
not quoted
quoted
not quoted
not quoted
-99
Yes, Please, specify
Only to establish a baseline
-99
468
Completed after break (32)
-1
-99
-99
-99
-99
-99
Electronic engineering CEFET-RJ
Portugal
More than 2,000 employees
Developer
-99
2
0
1
0
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
I don't know
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
Categorizing skin cancer images
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
Extremely Relevant
High Relevance
High Relevance
Neutral
Neutral
Neutral
Easy
Complex
Neutral
Complex
Neutral
Easy
15
5
30
20
15
5
10
Complex scenarios
-99
-99
Many data sources
-99
-99
Normalizing the data
cleaning data
-99
Finding best approach/algorithm
-99
-99
Analyse core parameters
-99
-99
Where/ how to deploy
-99
-99
Build the tool
-99
-99
-99
-99
-99
Cleaning data
Normalizing the data
Analyse core parameters
I don't know
60
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
80
quoted
not quoted
not quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
480
Completed after break (32)
-1
Computer Engineering
Data Science Bootcamp / Udacity MLE Nanodegree
-99
-99
-99
I dropped Master twice
Germany
More than 2,000 employees
Developer
-99
11
1
2
1
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
sql
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
??? Filtering
High Relevance
High Relevance
Extremely Relevant
Neutral
Extremely Relevant
Neutral
High Relevance
Very Complex
Easy
Complex
Neutral
Very Complex
Neutral
Complex
30
5
30
10
15
5
5
Ill defined problem
Unclear goal
-99
Source access
Data format
-99
Dirty data
missing data
-99
-99
-99
-99
Choosing correct metric
-99
-99
-99
-99
-99
Metric
-99
-99
Updating model
-99
-99
Ill defined problem
Choosing correct metric
Unclear goal
I don't know
100
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
quoted
0
not quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://www.linkedin.com/
494
Completed after break (32)
-1
Computer Science
-99
-99
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
2
2
1
0
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Politics
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
High Relevance
High Relevance
High Relevance
Extremely Relevant
High Relevance
High Relevance
Complex
Complex
Neutral
Complex
Very Complex
Very Complex
Very Complex
20
15
10
15
20
10
10
What's the scope of the problem?
What's the objective of the task
-99
Where is the data?
Is it already structured?
-99
How the data needs to look like so we can use it to solve the problem defined?
-99
-99
Which approach are we gonna use to solve our problem?
Which architeture are gonna be used to build the model
-99
Which metrics are we monitoring?
What are the tresholds that will be considered for the metrics choosen
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
What's the scope of the problem?
Which approach are we gonna use to solve our problem?
What are the thresholds that will be considered for the metrics chosen
Frequently
70
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
quoted
not quoted
-99
quoted
-99
not quoted
75
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
496
Completed after break (32)
-1
Information Engineering
-99
Information Engineering
-99
-99
-99
Brazil
More than 2,000 employees
Business Analyst
-99
1
1
2
1
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Extremely Relevant
Complex
Easy
Neutral
Complex
Complex
Complex
Neutral
30
10
10
20
10
10
10
Correct understanding of the problem
Setting the correct parameters
-99
Unorganized data
-99
-99
Data is not clean and structured
-99
-99
Model definition and training
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Correct understanding of the problem
Setting the correct parameters
Model definition and training
Sometimes
40
quoted
quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
100
quoted
not quoted
quoted
not quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
527
Completed after break (32)
-1
Information Systems
MBA EM BIG DATA (DATA SCIENCE)
-99
-99
-99
-99
Brazil
1,001-2,000 employees
Other, which one?
Analista de Segurança
3
1
7
3
1-5 members
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
Python
quoted
Clientes fraudadores
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Complex
Complex
Complex
Complex
Complex
Neutral
Neutral
10
20
30
15
10
10
5
Combinar dados para variável respostas
ok
ok
Descrição das varáveis
Variáveis históricas
ok
Limitações de processamento real-time
veracidade dos dados ao longo do tempo
ok
qual o período ideal para a amostragem
ok
ok
Dificuldade quando precisa de um tempo para maturar a variável resposta
ok
ok
Produtizar a operacionalização
ok
ok
ok
ok
ok
ok
ok
ok
Limitações de processamento real-time
veracidade dos dados ao longo do tempo
Produtizar a operacionalização
Frequently
80
quoted
quoted
not quoted
quoted
quoted
quoted
not quoted
quoted
Analistas de segurança
not quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
70
not quoted
not quoted
quoted
quoted
not quoted
-99
No
-99
https://machine-learning-survey.web.app/
109
Suspended (22)
-1
-99
-99
-99
-99
-99
-99
0
0
0
-99
-99
-99
-99
-99
0
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Never
-77
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-77
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
-99
https://l.facebook.com/
124
Suspended (22)
25
-99
-99
-99
-99
-99
-99
0
0
0
-99
-99
-99
-99
-99
0
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
-99
Never
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
https://l.facebook.com/
30
Suspended (22)
0
Computer Science
Data Science
-99
-99
-99
-99
Brazil
More than 2,000 employees
Developer
-99
15
0
0
0
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
-99
32
Suspended (22)
-1
Electrical and Electronics Engineering
Data Science specialization
M.Sc. in Control Engineering
-99
-99
MBA
Brazil
1,001-2,000 employees
Other, which one?
Technology Advisor
10
1
1
1
1-5 members
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
I don't know
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
-99
54
Suspended (22)
0
Computer Science
Data engineering
-
-
-
-
Brazil
More than 2,000 employees
Other, which one?
Data Engineer
12
0
1
-99
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
-99
35
Suspended (22)
0
Computer Science
-99
M.Sc. in Computer Science
Ph.D. in Computer Science
-99
-99
Brazil
1,001-2,000 employees
Data Scientist
-99
0
15
100
70
1-5 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
I don't know
quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
-99
quoted
Risk rating
quoted
Profile matching
quoted
Recommendation
quoted
Client wallet segmentation
quoted
Anomaly detection to fraud prevention
quoted
not quoted
not quoted
quoted
quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
android-app://com.linkedin.android/
37
Suspended (22)
0
-99
-99
-99
-99
-99
-99
0
0
0
-99
-99
-99
-99
-99
0
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Totally traditional
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
https://t.co/UwNVKmgHWq
40
Suspended (22)
0
Information Systems
-99
Computer Science
Computer Science
Data Science
-99
Brazil
51-250 employees
Data Scientist
-99
7
6
15
12
1-5 members
not quoted
quoted
quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
quoted
Recruiting
not quoted
quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
delivery time, battery remaining time, space availability, covid cases, ...
quoted
product category, healthcare plan payment, document type, exame type, ...
quoted
smart home appliances usage
quoted
patient clustering
not quoted
-99
not quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
https://www.linkedin.com/
44
Suspended (22)
0
Computer Science
-99
Master in Computer Science²
-99
-99
-99
Canada
51-250 employees
Other, which one?
Data Analyst
5
1
1
0
1-5 members
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
Mostly agile
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Hierarchical clustering of time series
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
android-app://com.linkedin.android/
59
Suspended (22)
0
Information Systems
-99
-99
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
5
1
1
0
1-5 members
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Balanced between agile and traditional
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
-99
not quoted
-99
not quoted
not quoted
not quoted
quoted
quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
not quoted
not quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
-99
52
Suspended (22)
193
Statistics
-99
-99
-99
-99
-99
Brazil
More than 2,000 employees
Data Scientist
-99
5
2
6
3
1-5 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Totally traditional
quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
Manufacturing
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
-99
quoted
-99
not quoted
-99
quoted
-99
not quoted
-99
not quoted
quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
quoted
quoted
not quoted
not quoted
quoted
not quoted
-99
Extremely Relevant
Extremely Relevant
Extremely Relevant
High Relevance
High Relevance
High Relevance
High Relevance
Neutral
Complex
Neutral
Easy
Easy
Neutral
Neutral
10
15
30
15
20
8
2
End to end communication
-99
-99
Carelessness
Analytical Irrelevance
Lack of standartization
Underappreciation
Hastiness
-99
That one guy that goes like we need a neural network to every single problem
-99
-99
The balance between precision and necessity
-99
-99
Unreliable deploy environment
-99
-99
-99
-99
-99
-99
-99
-99
Communication
Everything regarding data
-99
Rarely
30
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
https://www.linkedin.com/
55
Suspended (22)
0
Computer Science
-99
Computer Science
Computer Science
-99
Habillitation in Computer Science
Brazil
More than 2,000 employees
Project Lead / Project Manager
-99
35
32
100
20
6-10 members
not quoted
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
not quoted
-99
Mostly traditional
quoted
not quoted
quoted
not quoted
not quoted
quoted
quoted
quoted
quoted
not quoted
quoted
not quoted
-99
not quoted
not quoted
not quoted
not quoted
not quoted
quoted
quoted
not quoted
-99
quoted
Medical diagnosis
quoted
Medical diagnosis
not quoted
-99
quoted
bioinformatics
not quoted
-99
not quoted
quoted
quoted
quoted
quoted
not quoted
quoted
quoted
quoted
quoted
quoted
quoted
quoted
not quoted
-99
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-77
-77
-77
-77
-77
-77
-66
-77
-77
-77
-77
-66
-77
-66
-77
-77
-77
-77
-77
-77
-77
-66
-77
-66
-99