id stringlengths 7 11 | source stringclasses 1
value | category stringclasses 11
values | title stringlengths 15 214 | text stringlengths 70 30.5k | url stringlengths 57 160 | tags stringlengths 3 113 | created_at int64 1.22B 1.79B |
|---|---|---|---|---|---|---|---|
se_74761900 | stackoverflow | DATA_SCIENCE | Error message: Error in data$CVDSTRK3 : object of type 'closure' is not subsettable | Error message: Error in data$CVDSTRK3 : object of type 'closure' is not subsettable
Q<-patients_with_stroke <- data[data$CVDSTRK3==1,]
max_numwomen<-max(patients_with_stroke$NUMWOMEN, na.rm = TRUE)
max_numwomen
Please help. I tried to find the highest value for number of adult women in the household where som... | https://stackoverflow.com/questions/74761900/error-message-error-in-datacvdstrk3-object-of-type-closure-is-not-subsetta | r, data-science, data-analysis | 1,670,771,154 |
se_76240159 | stackoverflow | DATA_SCIENCE | Productivity Mix Analysis - statistics | Productivity Mix Analysis - statistics
I am trying to generate labor standards (the amount of productivity per hour an employee should be accomplishing) based off of historical data volumes. I do not have the start and end time that a specific task was completed or started. I do however have various dimensions related... | https://stackoverflow.com/questions/76240159/productivity-mix-analysis-statistics | pandas, statistics, regression, data-analysis, correlation | 1,683,928,544 |
se_71988051 | stackoverflow | DATA_SCIENCE | Formula/constant to replace a table into just one formula | Formula/constant to replace a table into just one formula
In the below table I got some values where the column headers represent the density where the first column of the table represent a temperature.
Density/Temp
0.5
0.505
0.51
0.515
0.52
0.525
0.53
0.535
0.54
0.545
0.55
-2.5
1.051
1.05
1.048
1.047
1.046
1.... | https://stackoverflow.com/questions/71988051/formula-constant-to-replace-a-table-into-just-one-formula | python, excel, vba, data-analysis, mathematical-optimization | 1,650,800,637 |
se_76244605 | stackoverflow | DATA_SCIENCE | How to save the changes after a loop in python? | How to save the changes after a loop in python?
for i in data['test preparation course']: if i == 'none': i = None
here, I'm trying to convert 'none' string with None values in python, and it went well.
I just want to activate the changes on the dataset | https://stackoverflow.com/questions/76244605/how-to-save-the-changes-after-a-loop-in-python | python, pandas, data-science, data-analysis, data-cleaning | 1,684,007,305 |
se_76236158 | stackoverflow | DATA_SCIENCE | Efficiently assign jobs to processes in python multiprocessing | Efficiently assign jobs to processes in python multiprocessing
I am trying to solve an interesting parallelization problem with python.
Let's say I have some data that needs to be processed and I have 2 processes running in parallel using multiprocessing.
I can split my data into 2 parts, giving one part to each proce... | https://stackoverflow.com/questions/76236158/efficiently-assign-jobs-to-processes-in-python-multiprocessing | python, multiprocessing, data-analysis | 1,683,893,486 |
se_76242851 | stackoverflow | DATA_SCIENCE | Pandas - Merging 3rd data frame not merging on key values | Pandas - Merging 3rd data frame not merging on key values
I am new to python and data analysis, so I apologise if this is very basic, but I am a little bit stuck
I have 3 data frames, schools 1, 2 & 3. Each has a Unique Reference Number (URN) and then additional data about the schools
In the dataset URN1 is an int, UR... | https://stackoverflow.com/questions/76242851/pandas-merging-3rd-data-frame-not-merging-on-key-values | python, pandas, dataframe, data-analysis | 1,683,982,577 |
se_76236394 | stackoverflow | DATA_SCIENCE | How to classify groups based on changes from the previous period in PostgreSQL? | How to classify groups based on changes from the previous period in PostgreSQL?
Good day to everyone!
I have a table with some teams and their rating for the period. Data looks like this:
team
date
rating
team_1
2022-09
7.5
team_1
2022-12
8
team_1
2023-03
8.5
team_2
2022-09
8
team_2
2022-12
7
team_2
... | https://stackoverflow.com/questions/76236394/how-to-classify-groups-based-on-changes-from-the-previous-period-in-postgresql | sql, postgresql, data-analysis, window-functions | 1,683,895,053 |
se_66917445 | stackoverflow | DATA_SCIENCE | Complete Cryptocurrencies Data | Complete Cryptocurrencies Data
I am working on cryptocurrencies blockchain data and I want data from the beginning of the time of that particular cryptocurrency. Is there any way to download complete block data in the Postgresql file?
https://blockchair.com/dumps is although offering this but they limit the download s... | https://stackoverflow.com/questions/66917445/complete-cryptocurrencies-data | data-science, blockchain, data-analysis, bitcoin, cryptocurrency | 1,617,356,831 |
se_76219944 | stackoverflow | DATA_SCIENCE | Can't Retrieve Upper & Lower Bands from iBand | Can't Retrieve Upper & Lower Bands from iBand
I'm trying to get the upper and lower values from iBand...
void OnTick()
{
double upperBand[];
double lowerBand[];
double range;
int handle = iBands(_Symbol, _Period, 20, 2, 0, PRICE_CLOSE);
// CopyBuffer(handle, which band, period, no. values,... | https://stackoverflow.com/questions/76219944/cant-retrieve-upper-lower-bands-from-iband | function, data-analysis, mql5 | 1,683,730,767 |
se_74940029 | stackoverflow | DATA_SCIENCE | How do I remove a Moiré pattern from such a polar plot? | How do I remove a Moiré pattern from such a polar plot?
How do I remove a Moiré pattern in a polar plot generate by Plotlib?
I tried resizing the figure, but while improving a bit, once I increased too much the size the RAM fails.
I tried cv2 for image antialising, but to no avail.
Any hint? | https://stackoverflow.com/questions/74940029/how-do-i-remove-a-moir%c3%a9-pattern-from-such-a-polar-plot | matplotlib, plot, data-analysis, antialiasing, radial | 1,672,228,989 |
se_76213535 | stackoverflow | DATA_SCIENCE | Calculate XY polar coordinates to place an object right below a value label | Calculate XY polar coordinates to place an object right below a value label
Consider the following dataset:
ig_5 <- data.frame(
category = c("A", "B", "C", "D", "E", "F"),
prop = c(0.1, 0.2, 0.15, 0.25, 0.05, 0.25)
) %>%
mutate(lab.ypos = cumsum(prop) - 0.5*prop)
I created a donut chart with the following code:... | https://stackoverflow.com/questions/76213535/calculate-xy-polar-coordinates-to-place-an-object-right-below-a-value-label | r, ggplot2, math, visualization, data-analysis | 1,683,668,375 |
se_76202898 | stackoverflow | DATA_SCIENCE | Unable to run the given code to read the file add new column and want to read the 5 rows in windows | Unable to run the given code to read the file add new column and want to read the 5 rows in windows
import pandas as pd
sample_import=pd.read_csv('C:/Users/HP/Desktop/python programing/allpythonfiles/simple_csv.csv')
new_column_values=list(range(1,10))
sample_import['new_column'] = new_column_values[:len(sample_impor... | https://stackoverflow.com/questions/76202898/unable-to-run-the-given-code-to-read-the-file-add-new-column-and-want-to-read-th | python, data-analysis | 1,683,566,716 |
se_76201667 | stackoverflow | DATA_SCIENCE | Drop duplicates with a cache's rule | Drop duplicates with a cache's rule
I have a dataframe with two columns (Id and Datetime), i have to drop duplicated rows related to the same id considering the datetime column. The rule is that I need to check subsequent dates, and if they're on the same day, or the day after (not 48 hours, but the day after, unt... | https://stackoverflow.com/questions/76201667/drop-duplicates-with-a-caches-rule | python, pandas, dataframe, numpy, data-analysis | 1,683,556,912 |
se_76187160 | stackoverflow | DATA_SCIENCE | Adding callbacks (interactive inputs) to page container in plotly dash multi pages app | Adding callbacks (interactive inputs) to page container in plotly dash multi pages app
Context:
I am working on an app with multi pages feature in Plotly Dash that uses this schema:
|app.py
| pages|
| games_*dashboard.py
|
|channels_dashboard.py
|
| *videos_dashboard.py
The project is talking about youtube gaming anal... | https://stackoverflow.com/questions/76187160/adding-callbacks-interactive-inputs-to-page-container-in-plotly-dash-multi-pag | python, callback, plotly, data-analysis, plotly-dash | 1,683,348,022 |
se_75464638 | stackoverflow | DATA_SCIENCE | How to delete specific cells in a pandas dataframe giving some conditions? | How to delete specific cells in a pandas dataframe giving some conditions?
I want to clear the contents of the first two cells in location for every first 2 duplicates in last name.
For eg: i want to clear out the 1st 2 location occurances for Balchuinas and only keep the 3rd one. Same goes for London and Fleck. I ONL... | https://stackoverflow.com/questions/75464638/how-to-delete-specific-cells-in-a-pandas-dataframe-giving-some-conditions | python, pandas, data-science, data-analysis | 1,676,489,545 |
se_76172757 | stackoverflow | DATA_SCIENCE | How to extract email addresses from a string in python | How to extract email addresses from a string in python
I created a function that takes the entire string from any column in my dataset and extracts the email address if there is no email, it should fill the space with NaN:
def extract_email_ID(string):
email = re.findall(r'<(.+?)>', string)
if not email:
... | https://stackoverflow.com/questions/76172757/how-to-extract-email-addresses-from-a-string-in-python | python, pandas, dataframe, numpy, data-analysis | 1,683,200,365 |
se_76170850 | stackoverflow | DATA_SCIENCE | optimize query taking too long to run | optimize query taking too long to run
I am trying to run a SQL query in azure databricks. But this query is taking too long to execute.
Could you please suggest what optimization I can do in this below query to make it more faster
SELECT
LOWER(get_json_object(element_at(params,'ans.client_payload'), '$.ACTIONBLOCK_ID... | https://stackoverflow.com/questions/76170850/optimize-query-taking-too-long-to-run | sql, data-analysis, azure-databricks | 1,683,187,244 |
se_74280610 | stackoverflow | DATA_SCIENCE | Big Query Public Data | Big Query Public Data
How to pin bigquery-public-data to explorer menu after it is under the explorer menu. I am trying since morning but unable to do so.
I searched public in explorer menu and bigquery-public-data is visible under explorer menu but now I don't know how to pin it. | https://stackoverflow.com/questions/74280610/big-query-public-data | sql, database, google-bigquery, data-analysis, bigquery-public-datasets | 1,667,329,133 |
se_76159663 | stackoverflow | DATA_SCIENCE | Converting daily data to fiscal yearly data | Converting daily data to fiscal yearly data
I am trying to train a machine learning model to predict the crop yield of each district of Nepal. The input features will be various weather related data such as temperature, wind speed, etc. and the crop yield is to be predicted based on those data.
For the purpose of trai... | https://stackoverflow.com/questions/76159663/converting-daily-data-to-fiscal-yearly-data | python, pandas, data-analysis | 1,683,072,591 |
se_76149337 | stackoverflow | DATA_SCIENCE | Finding sequential patterns in data (efficiency question) | Finding sequential patterns in data (efficiency question)
I am writing some JavaScript code to do statistical anomaly detection, and I am programmatically analyzing data from a Control Chart. (Shout out to my Lean Six Sigma friends out there.) There are a number of rules that, if they are broken, identifies a potentia... | https://stackoverflow.com/questions/76149337/finding-sequential-patterns-in-data-efficiency-question | javascript, node.js, data-analysis, anomaly-detection | 1,682,966,390 |
se_76145163 | stackoverflow | DATA_SCIENCE | How do I add dynamic relational values together inside a single measure without calculated columns? | How do I add dynamic relational values together inside a single measure without calculated columns?
This is an example that I'm using to verify my formula:
director actor date_added show_id
x a 2015 Meow
x b 2015 Meow
x a 2020 Woof
x ... | https://stackoverflow.com/questions/76145163/how-do-i-add-dynamic-relational-values-together-inside-a-single-measure-without | powerbi, dax, data-analysis | 1,682,923,449 |
se_76129245 | stackoverflow | DATA_SCIENCE | How do I conduct hundreds of regressions, extract statistics and output these into a table? | How do I conduct hundreds of regressions, extract statistics and output these into a table?
I need to conduct hundreds of multiple regression models on several variables in my dataset. There are too many to run manually and I need to extract their results into one big table.
My real dataset contains data on blood prot... | https://stackoverflow.com/questions/76129245/how-do-i-conduct-hundreds-of-regressions-extract-statistics-and-output-these-in | r, automation, regression, data-analysis | 1,682,682,265 |
se_76127564 | stackoverflow | DATA_SCIENCE | How to do web scraping to extract product data(product name, price) from Lazada by using Python? | How to do web scraping to extract product data(product name, price) from Lazada by using Python?
I have been told to scraping the product data(product name and price) from Lazada Website by using Python. However, I have no idea how to execute even after searching all the solution from internet. Does anyone could help ... | https://stackoverflow.com/questions/76127564/how-to-do-web-scraping-to-extract-product-dataproduct-name-price-from-lazada | python, web-scraping, e-commerce, product, data-analysis | 1,682,669,757 |
se_76116957 | stackoverflow | DATA_SCIENCE | Update string column having array of json strings using SQL | Update string column having array of json strings using SQL
I have a table (lets call it TableX) with two columns
id colX
123 { "name": "abc", "type": "solid"}, { "name": "xyz", "type": "liquid"}
456 { "name": "xyz", "type": "liquid"}
colX is of type nvarchar having values comma separated... | https://stackoverflow.com/questions/76116957/update-string-column-having-array-of-json-strings-using-sql | sql, mysql, data-analysis, azure-synapse, analysis | 1,682,572,602 |
se_76123769 | stackoverflow | DATA_SCIENCE | Create a 3d array from a data frames of x,y,z data | Create a 3d array from a data frames of x,y,z data
I can think of several dumb ways to do this involving a lot of loops and if statments, but I am wondering if anyone has a smart way.
I have a data frame that has columns of different types of x,y, and z data and I would like to turn that into different 3d arrays. IE
d... | https://stackoverflow.com/questions/76123769/create-a-3d-array-from-a-data-frames-of-x-y-z-data | python, pandas, dataframe, data-analysis | 1,682,621,633 |
se_76122528 | stackoverflow | DATA_SCIENCE | How to cluster a massive amount of data that doesn't fit into memory? | How to cluster a massive amount of data that doesn't fit into memory?
I have 30 files, each is a dictionary with about 1M keys that map to embeddings:
file_1 = {key_1: some_array, key_2: some_array ...}
file_2 = {key_13: some_array, key_21: some_array ...}
...
file_30 = {key_123: some_array, key_9: some_array .... | https://stackoverflow.com/questions/76122528/how-to-cluster-a-massive-amount-of-data-that-doesnt-fit-into-memory | python, machine-learning, data-science, cluster-analysis, data-analysis | 1,682,611,677 |
se_75387421 | stackoverflow | DATA_SCIENCE | Cleaning data in pandas not working as expected | Cleaning data in pandas not working as expected
I have a Google Spreadsheet with info I've been gathering for a month.
https://docs.google.com/spreadsheets/d/e/2PACX-1vSeua1He863Vya90JBlnkRvpyErGT6vQJKGmJAGE4F8wibw1LdiR9UKA_TTrVeAeaPzm86V4cE8cq6f/pubhtml
I'm trying to do some Data Analysis to find if there's a relatio... | https://stackoverflow.com/questions/75387421/cleaning-data-in-pandas-not-working-as-expected | pandas, data-analysis, data-cleaning | 1,675,867,443 |
se_76087311 | stackoverflow | DATA_SCIENCE | reindexing data to DateTimeIndex results in all price data becoming NaN | reindexing data to DateTimeIndex results in all price data becoming NaN
gold = pd.read_csv('gold.csv')
gold['Date'] = gold['Date'].apply(pd.to_datetime, utc=True)
gold
Date Price
0 1950-01-01 00:00:00+00:00 34.730
1 1950-02-01 00:00:00+00:00 34.730
2 1950-03-01 00:00:00+00:00 ... | https://stackoverflow.com/questions/76087311/reindexing-data-to-datetimeindex-results-in-all-price-data-becoming-nan | python, python-3.x, pandas, jupyter-notebook, data-analysis | 1,682,284,672 |
se_76079282 | stackoverflow | DATA_SCIENCE | Combine Two data frames if values on one column is equal | Combine Two data frames if values on one column is equal
I need to combine two dataframes where they have similar columns however the 1st dataframe is missing one column i need to add values from 2nd dataframe to 1st
display(df)
id
TITLE
CODE
PRICE
1
John
12
125
2
Katie
14
325
4
Janie
24
550
5
Jacob
32
... | https://stackoverflow.com/questions/76079282/combine-two-data-frames-if-values-on-one-column-is-equal | python, pandas, data-science, data-analysis, data-preprocessing | 1,682,161,175 |
se_76078863 | stackoverflow | DATA_SCIENCE | Stata Error : Too Many Variables Specified | Stata Error : Too Many Variables Specified
I am creating a frequency bar chart in Stata for a defined list of options. But I got this error on tabulate command "Too many variables specified".
Create a new variable for each response option
gen option1 = strpos(question, "Option A") > 0
gen option2 = strpos(question, ... | https://stackoverflow.com/questions/76078863/stata-error-too-many-variables-specified | statistics, data-analysis, stata | 1,682,154,790 |
se_59200244 | stackoverflow | DATA_SCIENCE | I need a solution to this SQL Query I'm trying to solve | I need a solution to this SQL Query I'm trying to solve
"Write a query that determines the customer that has spent the most on
music for each country. Write a query that returns the country along
with the top customer and how much they spent. For countries where the
top amount spent is shared, provide all cu... | https://stackoverflow.com/questions/59200244/i-need-a-solution-to-this-sql-query-im-trying-to-solve | sql, data-analysis | 1,575,566,284 |
se_76058163 | stackoverflow | DATA_SCIENCE | Dropping outliers from dataset | Dropping outliers from dataset
I am trying to drop the indexes where outliers are present, but i am getting the error while dropping them. I am new in this, could you please help me in this.
Here the code:
here is the error: | https://stackoverflow.com/questions/76058163/dropping-outliers-from-dataset | machine-learning, data-analysis, outliers, feature-engineering, data-preprocessing | 1,681,932,349 |
se_76067736 | stackoverflow | DATA_SCIENCE | Difference PCA by sklearn (SVD) and scratch PCA (Eigenvector Decomposition) | Difference PCA by sklearn (SVD) and scratch PCA (Eigenvector Decomposition)
While implementing PCA from scratch, I discovered that PCA by sklearn uses Singular Value Decomposition (SVD) while all tutorials implement PCA using Eigenvalue Decomposition. They lead to different eigenvectors.
In PCA by sklearn:
self.mean_ ... | https://stackoverflow.com/questions/76067736/difference-pca-by-sklearn-svd-and-scratch-pca-eigenvector-decomposition | scikit-learn, data-analysis, pca, svd, eigenvector | 1,682,019,999 |
se_76063229 | stackoverflow | DATA_SCIENCE | Multiple data cursor with data tooltips on same x-axis with matplotlib or plotly | Multiple data cursor with data tooltips on same x-axis with matplotlib or plotly
I am trying to plot and analyze the data using matplotlib library as well as plotly.
The requirement is as below image (image is from a different app):
Details of the plot shown in the image is as follows:
X axis is time
Multiple Y axis... | https://stackoverflow.com/questions/76063229/multiple-data-cursor-with-data-tooltips-on-same-x-axis-with-matplotlib-or-plotly | python, matplotlib, plotly, visualization, data-analysis | 1,681,987,545 |
se_76051358 | stackoverflow | DATA_SCIENCE | Accessing month data in pandas | Accessing month data in pandas
My data looks like following;
Month Target Efficiency Actual
Aug-18 95% 0.4500
Sep-18 95% 0.3000
I'm running pandas.
when i run code;
df['Efficiency Actual']
I get correct output.
But when i run;
df['Month']
I get an error, KeyError: 'Month'
How can this be fixed. kindly ... | https://stackoverflow.com/questions/76051358/accessing-month-data-in-pandas | python, pandas, data-analysis | 1,681,885,808 |
se_76033011 | stackoverflow | DATA_SCIENCE | How to do Descriptive Statistics in Qlik Sense | How to do Descriptive Statistics in Qlik Sense
How to do Descriptive Statistics in Qlik Sense?
What I mean by Descriptive Statistics is to display Mean, Standard Error, Median, Mode, Standard Deviation, Sample Variance, Kurtosis, Skewness, Range, Minimum, Maximum, Sum, Count in one table.
This is really easy to do i... | https://stackoverflow.com/questions/76033011/how-to-do-descriptive-statistics-in-qlik-sense | statistics, data-analysis, qliksense | 1,681,719,233 |
se_75345798 | stackoverflow | DATA_SCIENCE | how to compare in R the first character of a date variable with a number | how to compare in R the first character of a date variable with a number
I have a column called Start_date (type is date) and I want to check the first number of the entry and compare it to a number.
I have achieved the result I want already using the following code:
filter(tripRawData_cleaned, Start_date < "2022-01-0... | https://stackoverflow.com/questions/75345798/how-to-compare-in-r-the-first-character-of-a-date-variable-with-a-number | r, data-analysis | 1,675,521,374 |
se_76038104 | stackoverflow | DATA_SCIENCE | Problem with library for quick Wasserstein distance calculation | Problem with library for quick Wasserstein distance calculation
I need a tool to quickly calculate the Wasserstein distance between two two-dimensional point sets. I have been using Gudhi, but it appears to be too slow, and I need a faster alternative. I found the geomloss library, which appears to be fast enough, but... | https://stackoverflow.com/questions/76038104/problem-with-library-for-quick-wasserstein-distance-calculation | python, pytorch, data-analysis | 1,681,755,373 |
se_76041026 | stackoverflow | DATA_SCIENCE | Why the new header isn't iterating (always print the same header), not the next header | Why the new header isn't iterating (always print the same header), not the next header
This is my code
def PhaseInterval(arrival_file, filter_file, header_file):
# read the stations from the filter file
with open(filter_file, 'r') as f:
filter_stations = [line.strip() for line in f.readlines()]
... | https://stackoverflow.com/questions/76041026/why-the-new-header-isnt-iterating-always-print-the-same-header-not-the-next | python, data-analysis | 1,681,790,675 |
se_76034038 | stackoverflow | DATA_SCIENCE | Python function to identify 0 as a missing value in numerical columns of a dataframe | Python function to identify 0 as a missing value in numerical columns of a dataframe
I need to write a function where zero in a numeric column is identified as missing value in python. Can anyone help me with how to do that?
#numerical columns in df dataframe
df_num = df.select_dtypes(exclude='object')
After this I n... | https://stackoverflow.com/questions/76034038/python-function-to-identify-0-as-a-missing-value-in-numerical-columns-of-a-dataf | python, dataframe, data-analysis, missing-data, exploratory-data-analysis | 1,681,726,435 |
se_76015925 | stackoverflow | DATA_SCIENCE | Pandas pivot table with multiple columns and "yes" or "no" index | Pandas pivot table with multiple columns and "yes" or "no" index
I've been doing analysis of this dataset https://www.kaggle.com/datasets/yasserh/housing-prices-dataset
it contains columns ['mainroad', 'guestroom', 'basement', 'hotwaterheating', 'airconditioning', 'prefarea']
which all have values ... | https://stackoverflow.com/questions/76015925/pandas-pivot-table-with-multiple-columns-and-yes-or-no-index | python, pandas, data-analysis | 1,681,480,967 |
se_76001954 | stackoverflow | DATA_SCIENCE | Pandas: Changing the value of a column based on a string existing in the column | Pandas: Changing the value of a column based on a string existing in the column
I have a list of movies and I want to change the value of the column to 0 if the string "Action" exists in the column or 1 if the string "Drama" exists. If both exists then change the value to 0 since the genre "Action" is more important.
... | https://stackoverflow.com/questions/76001954/pandas-changing-the-value-of-a-column-based-on-a-string-existing-in-the-column | python, pandas, dataframe, data-analysis | 1,681,363,964 |
se_75999151 | stackoverflow | DATA_SCIENCE | How do I continue a large project next day without R lagging/stalling reloading code from previous work? | How do I continue a large project next day without R lagging/stalling reloading code from previous work?
I'm doing a project for class that involves 12 csv files which I joined into one mega csv, but the problem is that it's quite a large dataset that has 6million rows.
Everyday I boot up Rstudio to reload the project... | https://stackoverflow.com/questions/75999151/how-do-i-continue-a-large-project-next-day-without-r-lagging-stalling-reloading | r, rstudio, data-analysis | 1,681,327,942 |
se_75989806 | stackoverflow | DATA_SCIENCE | How do I improve the speed of this program? | How do I improve the speed of this program?
I am using Python and the pandas library and two csv files.
A master file that contains all possible occurrences and a subset file that contains a portion of the master file. The files do contain identical column names but differ in row count. The subtest file has results in... | https://stackoverflow.com/questions/75989806/how-do-i-improve-the-speed-of-this-program | python, pandas, csv, data-analysis | 1,681,243,995 |
se_65443850 | stackoverflow | DATA_SCIENCE | Data Analysis with Pandas throws nothing | Data Analysis with Pandas throws nothing
Write a function called proportion_of_education which returns the proportion of children in the dataset who had a mother with the education levels equal to less than high school (<12), high school (12), more than high school but not a college graduate (>12) and college degree.
... | https://stackoverflow.com/questions/65443850/data-analysis-with-pandas-throws-nothing | python, pandas, data-analysis | 1,608,850,352 |
se_75992023 | stackoverflow | DATA_SCIENCE | Find Continuous curves from arbitrary data using python | Find Continuous curves from arbitrary data using python
I have this given set of data:
snew = [0.0, 0.643, 0.173, -0.499, -0.939, -0.939, -0.866, -0.984, -0.642, 0.0]
cnew = [1.0, 0.766, 0.984, 0.866, 0.342, -0.342, -0.866, 0.173, 0.766, 1.0]
and when I plot them I get something like this -
data = np.vstack((snew, c... | https://stackoverflow.com/questions/75992023/find-continuous-curves-from-arbitrary-data-using-python | python, sorting, plot, data-analysis, data-manipulation | 1,681,275,421 |
se_75989272 | stackoverflow | DATA_SCIENCE | How to Get the match value in a pandas column? | How to Get the match value in a pandas column?
I would like to compare a list in a pandas column with another normal list and find the match value and put it in another column.
I have a list of terms and would like to find whether there is a match for the particular word
meta
['Home', 'grocery', 'cake']
['Ho... | https://stackoverflow.com/questions/75989272/how-to-get-the-match-value-in-a-pandas-column | python, pandas, dataframe, numpy, data-analysis | 1,681,239,509 |
se_75985032 | stackoverflow | DATA_SCIENCE | IIterating a list to show duplicates and the deltas of those duplicates | IIterating a list to show duplicates and the deltas of those duplicates
Learning python and pandas, not sure I still have the gray matter for this task but I find python programming to be fascinating. Wish I had started 60 years ago. The task I'm trying to accomplish is this. I have a list of random repeating numbers.... | https://stackoverflow.com/questions/75985032/iiterating-a-list-to-show-duplicates-and-the-deltas-of-those-duplicates | pandas, list, data-analysis | 1,681,210,117 |
se_75978088 | stackoverflow | DATA_SCIENCE | Why i am getting a weird time series graph in python? | Why i am getting a weird time series graph in python?
I'm doing a time series exercice. I have the following data :
date(indexed)
Year
Salary
2000-04-30
2000
274633
2000-05-31
2000
256064
......
......
......
2023-01-31
2023
535791
2023-02-28
2023
375202
I'm trying to print the evolution of the Sal... | https://stackoverflow.com/questions/75978088/why-i-am-getting-a-weird-time-series-graph-in-python | python, pandas, time-series, data-science, data-analysis | 1,681,137,933 |
se_75973318 | stackoverflow | DATA_SCIENCE | How could i get pandas groupby not to take indices in account but values of my dataframe | How could i get pandas groupby not to take indices in account but values of my dataframe
I have a dataFrame with dates and prices, for example :
date
price
2006
500
2007
2000
2007
3400
2006
5000
and i want to group my data by year so that i obtain :
2007
2006
2000
500
3400
5000
This is ... | https://stackoverflow.com/questions/75973318/how-could-i-get-pandas-groupby-not-to-take-indices-in-account-but-values-of-my-d | python, pandas, dataframe, data-science, data-analysis | 1,681,081,634 |
se_75959804 | stackoverflow | DATA_SCIENCE | How to repeat steps on similar files in R | How to repeat steps on similar files in R
Currently, I'm working on a case study. My way is to look for changes between months of the past year.
I have 12 files that include data for each month with names like:
202201-divvy-tripdata.csv for January
202202-divvy-tripdata.csv for February
...
202212-divvy-tripdata.csv ... | https://stackoverflow.com/questions/75959804/how-to-repeat-steps-on-similar-files-in-r | r, data-analysis | 1,680,881,168 |
se_75966681 | stackoverflow | DATA_SCIENCE | How do I use the images I'm undecided between 2 labels in a classification? | How do I use the images I'm undecided between 2 labels in a classification?
I annotated a dataset by direction of person. The labels are right, left, fore, back. I can't be sure some of the images if belong the one label.
For example,
Which label should be choosen for the below images? Are these back or right?
... | https://stackoverflow.com/questions/75966681/how-do-i-use-the-images-im-undecided-between-2-labels-in-a-classification | label, classification, data-analysis | 1,680,974,562 |
se_75951247 | stackoverflow | DATA_SCIENCE | pandas cross table solution | pandas cross table solution
Using this input
Gender
SQ2_1
SQ2_2
SQ2_3
M
1
2
3
F
1
NaN
3
F
1
2
3
F
NaN
2
3
M
1
2
NaN
M
NaN
2
3
How can I achieve this output in pandas using either groupby, crosstab or pivot_table:
Base
M
F
All
6
3
3
SQ2_1
66 .0
66.0
66.0
SQ2_2
83 .0
100.0
66.0
SQ2_3... | https://stackoverflow.com/questions/75951247/pandas-cross-table-solution | python, pandas, data-analysis | 1,680,794,994 |
se_75946133 | stackoverflow | DATA_SCIENCE | Mutate in a group by taking mean of only the rows in the group that equal the selected row on another column | Mutate in a group by taking mean of only the rows in the group that equal the selected row on another column
I'm running into an issue where I am grouping a data set by one variable (group) and want to take create a new output column that is the mean of the value column within each group AND with the added condition t... | https://stackoverflow.com/questions/75946133/mutate-in-a-group-by-taking-mean-of-only-the-rows-in-the-group-that-equal-the-se | r, dplyr, data-analysis, mean, mutate | 1,680,758,969 |
se_75867972 | stackoverflow | DATA_SCIENCE | Pandas - Irregular time series data - Compare row to next 8 hours of rows | Pandas - Irregular time series data - Compare row to next 8 hours of rows
Right now I am using pandas to analyze call center data. The data is structured as followed:
call_time = pd.to_datetime([
'2020-01-01 01:00:00',
'2020-01-01 09:00:00',
'2020-01-01 01:00:00',
'2020-01-01 03:00... | https://stackoverflow.com/questions/75867972/pandas-irregular-time-series-data-compare-row-to-next-8-hours-of-rows | python, pandas, time-series, data-science, data-analysis | 1,680,015,952 |
se_75903233 | stackoverflow | DATA_SCIENCE | How do I Extract mean from a summary() table in R? | How do I Extract mean from a summary() table in R?
I've successfully created a table and summary of the data, but how can I extract the means from the table? (mean(VeryActiveminutes), mean(FairlyActiveMinutes), etc.). Is there something I can add to the summary function?
totalTime <- Activity %>%
select(VeryActiveM... | https://stackoverflow.com/questions/75903233/how-do-i-extract-mean-from-a-summary-table-in-r | r, data-analysis, mean, summary | 1,680,302,150 |
se_75915992 | stackoverflow | DATA_SCIENCE | Python/Pandas: How to slice a column into multiple sections at particular rows | Python/Pandas: How to slice a column into multiple sections at particular rows
My laboratory instrument is providing a data set formatted in the following manner. For context, I have minimal experience with python.
TTS
Cycle 1
Wavelength (nm)
Absorbance
100
12
200
23
300
17
400
14
TTS
Cycle 2
Wavel... | https://stackoverflow.com/questions/75915992/python-pandas-how-to-slice-a-column-into-multiple-sections-at-particular-rows | python, pandas, data-analysis | 1,680,495,187 |
se_75903695 | stackoverflow | DATA_SCIENCE | Excel If Statement with Wildcards and Value Search | Excel If Statement with Wildcards and Value Search
I have a bunch of data with flight arrival and departure times that I would like to categorize. For example, the data may say things like "On Time", "34 Minutes Early", "7 Minutes Late", etc. I would like to simply categorize if the flight was early, late or on time. ... | https://stackoverflow.com/questions/75903695/excel-if-statement-with-wildcards-and-value-search | excel, if-statement, wildcard, data-analysis | 1,680,309,534 |
se_75904683 | stackoverflow | DATA_SCIENCE | Returning the specific K transactions that result in the maximum profit | Returning the specific K transactions that result in the maximum profit
This is a question derived from the problem of returning the maximum profit from a list of prices through k number of transactions. I would like to not just return the profit but a list with the transactions that result in the maximum profit. For ... | https://stackoverflow.com/questions/75904683/returning-the-specific-k-transactions-that-result-in-the-maximum-profit | python, data-analysis, finance | 1,680,332,049 |
se_75906390 | stackoverflow | DATA_SCIENCE | I want to get date when I find Extreme Fear after Extreme Greed | I want to get date when I find Extreme Fear after Extreme Greed
I have 4 columns:
timestamp in which I have date
fear_greed in which fear and greed index value
value_classification I have only two classes extreme fear and extreme greed
close is price
so I want to get the date in which first extreme fear comes also t... | https://stackoverflow.com/questions/75906390/i-want-to-get-date-when-i-find-extreme-fear-after-extreme-greed | python-3.x, pandas, dataframe, group-by, data-analysis | 1,680,354,656 |
se_75895573 | stackoverflow | DATA_SCIENCE | How can I supplement my data based on known data? | How can I supplement my data based on known data?
I now have 2500 pieces of data. It is about the A/B/C/D properties of 2500 objects, I now want to supplement the E/F/G properties of these objects in this excel table, E/F/G can be searched on the Internet, but how to import this into excel in batches? Can I only searc... | https://stackoverflow.com/questions/75895573/how-can-i-supplement-my-data-based-on-known-data | python, excel, web-scraping, data-analysis | 1,680,244,993 |
se_75870671 | stackoverflow | DATA_SCIENCE | find the customers who have bought music from every genre in the list | find the customers who have bought music from every genre in the list
How do I find the customers who have bought music from every genre in the list?
enter image description here
I am trying inner join and trying recursive statements.
SELECT CONCAT(customer.first_name,' ',customer.last_name), genre.name
FROM customer... | https://stackoverflow.com/questions/75870671/find-the-customers-who-have-bought-music-from-every-genre-in-the-list | sql, list, subquery, inner-join, data-analysis | 1,680,034,384 |
se_75886847 | stackoverflow | DATA_SCIENCE | Why does using df[[column_name]] dislays a DataFrame? | Why does using df[[column_name]] dislays a DataFrame?
I was just asking myself: I understand that calling df[column_name] displays a Series because a DataFrame is built of different arrays.
Though, why does calling df[[column_name]] (column_name being only one column) returns a DataFrame and not a Series ? I'm ont sur... | https://stackoverflow.com/questions/75886847/why-does-using-dfcolumn-name-dislays-a-dataframe | python, pandas, dataframe, numpy, data-analysis | 1,680,170,989 |
se_75886073 | stackoverflow | DATA_SCIENCE | How to replace missing data in a column with the daily average based on dates | How to replace missing data in a column with the daily average based on dates
I have this dataframe:
DATE PRCP
0 1949-01-01 25
1 1949-01-02 5
2 1949-01-03 0
3 1949-01-04 0
4 1949-01-05 0
... ... ...
20952 2016-01-27 0
20953 2016-01-28 0
20954 2016-... | https://stackoverflow.com/questions/75886073/how-to-replace-missing-data-in-a-column-with-the-daily-average-based-on-dates | python, pandas, dataframe, numpy, data-analysis | 1,680,166,457 |
se_75878308 | stackoverflow | DATA_SCIENCE | Linear Programming Binary Variable Grouping | Linear Programming Binary Variable Grouping
I am new to Linear Programming, tried few sample cases.
Seeking help on solution/approach for below problem.
I am not sure if it's linear programming or I should look in other options.
Here I am trying to identify the designers with best cost to finish the complete dress.
Th... | https://stackoverflow.com/questions/75878308/linear-programming-binary-variable-grouping | math, binary, data-analysis, linear-programming, optimathsat | 1,680,098,709 |
se_75860478 | stackoverflow | DATA_SCIENCE | How do i plot a single figure but with two boxplots? | How do i plot a single figure but with two boxplots?
As my question says, I want to know how to plot two boxplots in a single figure. That's my actual code:
plt.subplot(1, 2, 1)
bplot2 = plt.boxplot(dff['totlngth'], vert = 1, patch_artist = True)
for box in bplot2['boxes']:
box.set(facecolor = 'pink')
for median in ... | https://stackoverflow.com/questions/75860478/how-do-i-plot-a-single-figure-but-with-two-boxplots | python, pandas, matplotlib, data-analysis | 1,679,952,175 |
se_75870641 | stackoverflow | DATA_SCIENCE | Error in checkmvArgs(lower = lower, upper = upper, mean = delta, corr = corr, : ‘lower’ not specified or contains NA | Error in checkmvArgs(lower = lower, upper = upper, mean = delta, corr = corr, : ‘lower’ not specified or contains NA
I am trying to use R to conduct pairwise comparisons while controlling the experiment-wise error rate at α = 0.05. I need the values Estimate, SE, and Test. Below is my code I am trying to run and the d... | https://stackoverflow.com/questions/75870641/error-in-checkmvargslower-lower-upper-upper-mean-delta-corr-corr | r, database, data-analysis, anova | 1,680,034,197 |
se_57636540 | stackoverflow | DATA_SCIENCE | How to preserve datatype of column while using to_csv() | How to preserve datatype of column while using to_csv()
I'm changing int datatype to str datatype of a column using astype() and saving it to csv file using to_csv(). But reading the same csv file by read_csv() says the datatype is int only. I don't want to use dtype=str while reading the file.
Below is the following... | https://stackoverflow.com/questions/57636540/how-to-preserve-datatype-of-column-while-using-to-csv | python, pandas, export-to-csv, data-analysis | 1,566,637,671 |
se_75842832 | stackoverflow | DATA_SCIENCE | Recieving IndexError when performing CategoricalNB() using SKLearn | Recieving IndexError when performing CategoricalNB() using SKLearn
I am currently running into an index error when trying to perform a CategoricalNB using SKLearn. I am doing this for an assignment for my data class. I tried to implement some known fixes but none have worked.
For context, here are the instructions I a... | https://stackoverflow.com/questions/75842832/recieving-indexerror-when-performing-categoricalnb-using-sklearn | python, scikit-learn, data-analysis, prediction, naivebayes | 1,679,759,538 |
se_75848354 | stackoverflow | DATA_SCIENCE | Properly using pd.Categorical Dtype in cases that contain multiple entries | Properly using pd.Categorical Dtype in cases that contain multiple entries
Consider the following dataframe, (a snippet of the original):
df = pd.DataFrame({
'netflix_id': {1: 81197050, 2: 81213894, 3: 81082007},
'title': {1: 'guatemala: heart of the mayan world',2: 'the zoya factor',3: 'atlan... | https://stackoverflow.com/questions/75848354/properly-using-pd-categorical-dtype-in-cases-that-contain-multiple-entries | python, pandas, dataframe, seaborn, data-analysis | 1,679,841,446 |
se_75843046 | stackoverflow | DATA_SCIENCE | Conversion of datetime format to float for regression | Conversion of datetime format to float for regression
I need to predict temperature when time and humidity are given. Before starting in python, I created a regression model in excel. My data has time in datetime format [6/1/2022 0:00]. Instead of predicting temperature, it gives datetime as an answer.
On looking up t... | https://stackoverflow.com/questions/75843046/conversion-of-datetime-format-to-float-for-regression | python, datetime, regression, data-analysis, python-datetime | 1,679,761,710 |
se_75835090 | stackoverflow | DATA_SCIENCE | Appending a named number vector to a matrix with more values | Appending a named number vector to a matrix with more values
Im relatively new to R, and I just cant seem to find the solution to this problem, so sorry if this might be obvious or has been asked before.
I have a large matrix, with named named rows. I filtered this data and performed a calculation with a subset of thi... | https://stackoverflow.com/questions/75835090/appending-a-named-number-vector-to-a-matrix-with-more-values | r, data-analysis | 1,679,669,214 |
se_66914972 | stackoverflow | DATA_SCIENCE | How do I dynamically update matplotlib plots in a tqdm-loop inside a Jupyter notebook? | How do I dynamically update matplotlib plots in a tqdm-loop inside a Jupyter notebook?
How do I do something like:
from tqdm.notebook import tqdm
from matplotlib import pyplot as plt
from IPython import display
import time
import numpy as np
xx = list()
for i in tqdm(range(500)):
xx.append(i * 0.1)
yy = np.... | https://stackoverflow.com/questions/66914972/how-do-i-dynamically-update-matplotlib-plots-in-a-tqdm-loop-inside-a-jupyter-not | python, matplotlib, jupyter-notebook, data-analysis, tqdm | 1,617,342,392 |
se_75274364 | stackoverflow | DATA_SCIENCE | Pandas: combining information from rows with consecutive duplicate values in a column | Pandas: combining information from rows with consecutive duplicate values in a column
The title might be a bit confusing here, but in essence:
We have a dataframe, let’s say like this:
SKUCODE
PROCCODE
RUNCODE
RSNCODE
BEGTIME
ENDTIME
RSNNAME
0
218032
A
21183528
1010
2020-11-19 04:00
2020-11-19 04:15
Bank holi... | https://stackoverflow.com/questions/75274364/pandas-combining-information-from-rows-with-consecutive-duplicate-values-in-a-c | python, pandas, data-science, data-analysis | 1,674,990,246 |
se_75816370 | stackoverflow | DATA_SCIENCE | Failed to retrieve server version error in Visual Studio 2019 data connection | Failed to retrieve server version error in Visual Studio 2019 data connection
While opening tables from server explorer data connection its showing the error:
failed to retrieve server version
and tables are not opening
All compatibility are ok. How to solve this please help? | https://stackoverflow.com/questions/75816370/failed-to-retrieve-server-version-error-in-visual-studio-2019-data-connection | sql-server, visual-studio-2019, ssas, data-analysis, ssas-tabular | 1,679,512,183 |
se_75808030 | stackoverflow | DATA_SCIENCE | How to generate many new columns in pandas Dataframe in a convenient way? | How to generate many new columns in pandas Dataframe in a convenient way?
Suppose I have a Dataframe df of many columns now, and I'm trying to generate a large number of variable. The naive way I think is
df['new_var_1'] = df['var_1'] + df['var_2']
df['new_var_2'] = df['var_2'] / (df['var_3'] + df['var_4'])
df['new_va... | https://stackoverflow.com/questions/75808030/how-to-generate-many-new-columns-in-pandas-dataframe-in-a-convenient-way | pandas, data-analysis | 1,679,452,750 |
se_75545371 | stackoverflow | DATA_SCIENCE | How to recover deleted orphaned assets in Quicksight? | How to recover deleted orphaned assets in Quicksight?
As part of my Cleanup activity I have deleted the Quicksight user without transferring the ownership to another user and where deleted including all orphaned resources.
Can you please help me recovery all the resources.
Tried with Restoreanalysis as well but it doe... | https://stackoverflow.com/questions/75545371/how-to-recover-deleted-orphaned-assets-in-quicksight | amazon-web-services, cloud, data-analysis, amazon-quicksight, quicksight-embedding | 1,677,158,233 |
se_75804243 | stackoverflow | DATA_SCIENCE | Pandas dataframe get the last row by year | Pandas dataframe get the last row by year
I need to filter the following dataframe to get only the last date from each year:
A B C D E F G
Date
2018-05-03 20.700001 ... | https://stackoverflow.com/questions/75804243/pandas-dataframe-get-the-last-row-by-year | python, pandas, dataframe, data-analysis | 1,679,418,104 |
se_75799196 | stackoverflow | DATA_SCIENCE | Convert comma to dot in notepad (Not every comma) | Convert comma to dot in notepad (Not every comma)
I have a data which looks like
5,960464,6,65430376927058E-10,-91,7689743041992,-89,5235061645508,6,71407200919707E-05,0,00869479635485696
11,92093,5,23110578457515E-10,-92,8140640258789,-90,5685958862305,8,97218165598724E-05,0,011619072933792
17,88139,4,52214777469635E... | https://stackoverflow.com/questions/75799196/convert-comma-to-dot-in-notepad-not-every-comma | python, data-analysis, notepad | 1,679,389,862 |
se_75799486 | stackoverflow | DATA_SCIENCE | Matplotlib plot of 2D data | Matplotlib plot of 2D data
I have data of shape (1125, 2058) that I want to make a 2D plot of. The x-axis corresponds to wavelengths and I have a numpy array called 'lam_gal' for it and the y-axis corresponds to radii r. My center (r=0) is at y=596, from this I calculate my radii as:
y_vals = np.arange(1125)
radii =np... | https://stackoverflow.com/questions/75799486/matplotlib-plot-of-2d-data | python, matplotlib, data-analysis, axis, figure | 1,679,391,572 |
se_75790235 | stackoverflow | DATA_SCIENCE | How do I make excel to recognize year values in the format YYYY as a year date and not see the values as numbers and convert it to a different year? | How do I make excel to recognize year values in the format YYYY as a year date and not see the values as numbers and convert it to a different year?
I'm trying to convert a column which contains year values to a date type that excel will recognize. The column contains values such as 2004, 2018, 2014 etc. But excel rea... | https://stackoverflow.com/questions/75790235/how-do-i-make-excel-to-recognize-year-values-in-the-format-yyyy-as-a-year-date-a | excel, data-analysis | 1,679,315,068 |
se_75792064 | stackoverflow | DATA_SCIENCE | Sort dataframe columns value by close it to another column | Sort dataframe columns value by close it to another column
I need the 'value' column of pandas dataframe to be sorted by how close it is to the 'target' value:
+----------+---------+----------+
| company | value | target |
|----------+---------+----------+
| A | 23.18 | 26.8879 |
| B | 14.31 | ... | https://stackoverflow.com/questions/75792064/sort-dataframe-columns-value-by-close-it-to-another-column | python, pandas, dataframe, data-analysis | 1,679,325,221 |
se_75779230 | stackoverflow | DATA_SCIENCE | Find the smallest range that contains a given percentage of values | Find the smallest range that contains a given percentage of values
I have a .csv file that contains file sizes. I need to find the interval from a to b, where the majority of the files (75-80-85-90%) are, while [a,b] is the minimal interval possible. I am using python.
I know how to do that if I’m checking the specifi... | https://stackoverflow.com/questions/75779230/find-the-smallest-range-that-contains-a-given-percentage-of-values | python, data-analysis, maximize | 1,679,181,501 |
se_75369896 | stackoverflow | DATA_SCIENCE | Using R tidyverse I got This error on the filter Error in filter(ToothGrowth, dose == 0.5) : object 'dose' not found and I cant find a solution | Using R tidyverse I got This error on the filter Error in filter(ToothGrowth, dose == 0.5) : object 'dose' not found and I cant find a solution
Im learning R and using aprefunded database "ToothGrowth"Im learning to use Tidyverse and I have this block
data("ToothGrowth")
View(ToothGrowt)
#will add name to the ... | https://stackoverflow.com/questions/75369896/using-r-tidyverse-i-got-this-error-on-the-filter-error-in-filtertoothgrowth-do | r, dplyr, tidyverse, data-analysis | 1,675,753,543 |
se_75771074 | stackoverflow | DATA_SCIENCE | Check if a record exist in previous month ONLY in SQL | Check if a record exist in previous month ONLY in SQL
I am working on a project to classify customers as 'existing' or 'new' in MS SQL server.
The rule for determining is to check the customer was with the company LAST month. Sample format below:
The expected result below:
enter image description here
Customer A is a... | https://stackoverflow.com/questions/75771074/check-if-a-record-exist-in-previous-month-only-in-sql | sql, sql-server, datatable, sql-server-2012, data-analysis | 1,679,078,294 |
se_75747384 | stackoverflow | DATA_SCIENCE | LOOKUP in excel showing #N/A for the next year date | LOOKUP in excel showing #N/A for the next year date
I have month-wise cumulative data.
Now i am trying to LOOKUP the month value then divide with number of days according to the dates.
Here when the date of the year changes I am getting #N/A error. Please guide me. Thanks.
formula I used was: =LOOKUP(MONTH(B6),MONTH(... | https://stackoverflow.com/questions/75747384/lookup-in-excel-showing-n-a-for-the-next-year-date | excel, office365, ms-office, data-analysis, lookup | 1,678,897,035 |
se_75700349 | stackoverflow | DATA_SCIENCE | How to apply Fisher's exact test to each column of count data split into two categories? | How to apply Fisher's exact test to each column of count data split into two categories?
I have count data (columns) in the form of presence/absence (1/0) of various genes in different samples that belong to one of two categories.
I am trying to do a Fisher's (fisher.test) for each gene and output the data into a ... | https://stackoverflow.com/questions/75700349/how-to-apply-fishers-exact-test-to-each-column-of-count-data-split-into-two-cat | r, loops, statistics, data-science, data-analysis | 1,678,477,056 |
se_75735953 | stackoverflow | DATA_SCIENCE | How to remove columns that contain all the same value | How to remove columns that contain all the same value
I have count data (columns) in the form of presence/absence (1/0) of various genes in different samples that belong to one of two categories. I am doing a Fisher's (fisher.test) for each gene, but I get an error whenever that gene is present (1) or absent (0) from ... | https://stackoverflow.com/questions/75735953/how-to-remove-columns-that-contain-all-the-same-value | r, loops, statistics, data-science, data-analysis | 1,678,811,555 |
se_75721436 | stackoverflow | DATA_SCIENCE | create a variable based on ordered and grouped values of two other columns in R | create a variable based on ordered and grouped values of two other columns in R
I have a table like the following one in R :
team
tournament
pool
year
sets ratio
points ratio
team 1
tournament 1
a
2011
3.00
0.89
team 2
tournament 1
a
2011
1.00
1.57
team 3
tournament 1
a
2011
1.50
1.11
team 4
tournament 1... | https://stackoverflow.com/questions/75721436/create-a-variable-based-on-ordered-and-grouped-values-of-two-other-columns-in-r | r, dplyr, group-by, data-analysis | 1,678,707,881 |
se_75730834 | stackoverflow | DATA_SCIENCE | How to retrieve previous two groups using sql | How to retrieve previous two groups using sql
I would like to find out 21-jan-2022 belongs to which group and
prior to that group if there are any groups present, pull last 2 groups
and the date range.
In this example : 21-Jan-22 falls under G4, so we need to pull out date range of G2 and G3
I am stuck figuring out ho... | https://stackoverflow.com/questions/75730834/how-to-retrieve-previous-two-groups-using-sql | sql, oracle-database, data-analysis | 1,678,783,673 |
se_75099112 | stackoverflow | DATA_SCIENCE | Orscoreci R function question, confidence interval for odds ratio | Orscoreci R function question, confidence interval for odds ratio
I was given the next exercise:
In a Retrospective case-control study we measure the Association between lung cancer and smoking.
709 cases and 709 controls were selected, and the exposition was measured as a binary whether the subject ever was a smoker.... | https://stackoverflow.com/questions/75099112/orscoreci-r-function-question-confidence-interval-for-odds-ratio | r, statistics, data-analysis, confidence-interval | 1,673,539,298 |
se_75725932 | stackoverflow | DATA_SCIENCE | same code different steps two different outcomes | same code different steps two different outcomes
question :
so despite these two being the same when I execute both code I get two different graphs. someone please explain why.
code1 output
code2
I don't understand why the output is different considering they are both operating on the same data. The only difference is... | https://stackoverflow.com/questions/75725932/same-code-different-steps-two-different-outcomes | python-3.x, data-science, data-analysis | 1,678,734,104 |
se_75645530 | stackoverflow | DATA_SCIENCE | calculate average session duration depending on its number (duration of the first session, the second and so on) | calculate average session duration depending on its number (duration of the first session, the second and so on)
id
session
server_time
event
level
event_duration
1
h45jdnvj
2022-02-05 12:01:31
level_started
1
0
1
h45jdnvj
2022-02-05 12:01:36
level_completed
1
36
1
h45jdnvj
2022-02-05 12:02:06
level_started
2
... | https://stackoverflow.com/questions/75645530/calculate-average-session-duration-depending-on-its-number-duration-of-the-firs | sql, database, data-analysis | 1,678,052,537 |
se_75685586 | stackoverflow | DATA_SCIENCE | I want to point my custom created color palette to default color palette in Tableau | I want to point my custom created color palette to default color palette in Tableau
When I open the workbook and create the new sheet then the color palette which is assign to the Automatic is generate automatically. Now I have created the custom color palette using the preferences folder. Now I have to assign this ne... | https://stackoverflow.com/questions/75685586/i-want-to-point-my-custom-created-color-palette-to-default-color-palette-in-tabl | database, tableau-api, data-analysis, extension-methods, tableau-desktop | 1,678,370,201 |
se_75715042 | stackoverflow | DATA_SCIENCE | Can I count unique values of a column and add counts as seperate columns for each unique value, preferably seperately for each subject? | Can I count unique values of a column and add counts as seperate columns for each unique value, preferably seperately for each subject?
For example, I have my data in the following form:
Group Product
0 1 A
1 1 A
2 1 B
3 2 A
4 2 B
5 2 C
6 3 ... | https://stackoverflow.com/questions/75715042/can-i-count-unique-values-of-a-column-and-add-counts-as-seperate-columns-for-eac | python, pandas, data-science, data-analysis, data-preprocessing | 1,678,642,327 |
se_75711954 | stackoverflow | DATA_SCIENCE | Best way to visualize this data? | Best way to visualize this data?
I have 3 dataset that looks something like this but with around 600 records.
[440.2, 441.5, 440.9, 441.8, 441.1 ..............]
[722.3, 722.8, 722.1, 723.0, 722.7 ..............]
[817.2, 817.6, 818.0, 817.5, 817.9 ..............]
The values within the dataset are very close to each o... | https://stackoverflow.com/questions/75711954/best-way-to-visualize-this-data | python, matplotlib, data-analysis | 1,678,610,475 |
se_75702938 | stackoverflow | DATA_SCIENCE | How to convert coordinates or addresses to ISO 3166 codes | How to convert coordinates or addresses to ISO 3166 codes
while trying to analyse some data i ran into a problem where i am supposed to convert some locations to their iso3166 equivalence so as to make a need Choropleth map of the data but converting the data has seem to be a hassle sorry that i have not shown my tria... | https://stackoverflow.com/questions/75702938/how-to-convert-coordinates-or-addresses-to-iso-3166-codes | python, pandas, data-analysis, choropleth, iso-3166 | 1,678,511,819 |
se_75629049 | stackoverflow | DATA_SCIENCE | how to add the two split columns on a position where you want in dataset | how to add the two split columns on a position where you want in dataset
import pandas as pd
df[["First Name", "Last Name"]] = df["Full Name"].str.split(' ', 1, expand=True)
enter image description here
as you see in this image that it add the split columns at the end of the dataset and i want them to be at same posit... | https://stackoverflow.com/questions/75629049/how-to-add-the-two-split-columns-on-a-position-where-you-want-in-dataset | pandas, dataset, data-analysis, data-cleaning | 1,677,857,629 |
se_75690419 | stackoverflow | DATA_SCIENCE | popularity of guns depending on the level | popularity of guns depending on the level
id
level
gun_name
1
1
xxxx
3
1
xxxx
2
1
yyyy
3
2
zzzz
1
2
zzzz
2
2
xxxx
should display a table:
level
popular_gun_name
1
xxxx
2
zzzz
I am new to sql please help | https://stackoverflow.com/questions/75690419/popularity-of-guns-depending-on-the-level | sql, database, data-analysis | 1,678,398,940 |
se_75686334 | stackoverflow | DATA_SCIENCE | Pandas Bar Graph not showing accurate distribution | Pandas Bar Graph not showing accurate distribution
I have a dataset for monthly sales data that I want to determine the best month for sales using bar graph.
The months was indicated using month number on the csv and I have successfully convert the numbers to month name. I applied groupby function to determine the bes... | https://stackoverflow.com/questions/75686334/pandas-bar-graph-not-showing-accurate-distribution | python, pandas, matplotlib, visualization, data-analysis | 1,678,373,972 |
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