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_75665913 | stackoverflow | DATA_SCIENCE | how to calculate percentage of losers by level | how to calculate percentage of losers by level
id
event
level
1
level_started
1
1
level_completed
1
1
level_started
2
1
level_failed
2
2
level_started
1
2
level_completed
1
2
level_started
2
2
level_failed
2
4
level_started
1
4
level_completed
1
4
level_started
2
4
level_failed
2
5
level_st... | https://stackoverflow.com/questions/75665913/how-to-calculate-percentage-of-losers-by-level | sql, database, data-analysis | 1,678,213,937 |
se_75661662 | stackoverflow | DATA_SCIENCE | Irish Residential Property Price Register Data Plot Problem | Irish Residential Property Price Register Data Plot Problem
I have a very large dataset, which is over 500k observation, it contains counties of ireland and their residential property price register.
I have been working on this data with sampling method to avoid overfitting it caused me very slow results with Jupyter ... | https://stackoverflow.com/questions/75661662/irish-residential-property-price-register-data-plot-problem | jupyter-notebook, plotly, data-science, visualization, data-analysis | 1,678,190,067 |
se_75657742 | stackoverflow | DATA_SCIENCE | Error Code: 3588. Window '<unnamed window>' with RANGE frame has ORDER BY expression of datetime type. Only INTERVAL bound value allowed | Error Code: 3588. Window '<unnamed window>' with RANGE frame has ORDER BY expression of datetime type. Only INTERVAL bound value allowed
I need to find the customers who ordered for 3 consecutive days with every order amount greater than $50 for the data in table sales.mytable. This is the SQL query i wr... | https://stackoverflow.com/questions/75657742/error-code-3588-window-unnamed-window-with-range-frame-has-order-by-expres | mysql, sql, mysql-workbench, data-analysis | 1,678,159,085 |
se_75644711 | stackoverflow | DATA_SCIENCE | Power Query Transpose Combined Multi files | Power Query Transpose Combined Multi files
i would like to ask your advise for my current obstacle.
so i have multiple files with the same format need to be transposed and combine into single files.
the approach that i took is combine them into single file using power query and plan to transpose it, but it doesn't see... | https://stackoverflow.com/questions/75644711/power-query-transpose-combined-multi-files | excel, powerquery, data-analysis, transpose | 1,678,043,641 |
se_75646832 | stackoverflow | DATA_SCIENCE | Why does it says "Unrecognized name: start_station_id at [21:17] " | Why does it says "Unrecognized name: start_station_id at [21:17] "
SELECT
station_id,
name,
number_of_riders AS number_of_riders_starting_at_station
FROM
(SELECT
CAST(start_station_id AS STRING),
COUNT(*) num_of_rides
FROM
`bigquery-public-data.new_york.citib... | https://stackoverflow.com/questions/75646832/why-does-it-says-unrecognized-name-start-station-id-at-2117 | sql, google-bigquery, data-analysis | 1,678,073,234 |
se_75643011 | stackoverflow | DATA_SCIENCE | Problems CDF plot | Problems CDF plot
I tried plotting a CDF plot in python. But where it should show y-values from 0 to 1, it only shows up to 0.12... And I don't know why...
def plot_cdf_differences(data):
data['differences'] = data.apply(lambda e: abs(e.inner_distance_speed - e.inner_distance_lsq), axis=1)
counts, bin_edges = ... | https://stackoverflow.com/questions/75643011/problems-cdf-plot | python, matplotlib, data-analysis | 1,678,027,345 |
se_75644199 | stackoverflow | DATA_SCIENCE | How to calculate user churn by levels | How to calculate user churn by levels
I have a query like this:
SELECT
level,
COUNT(id) AS count_id
FROM
dev
GROUP BY level
ORDER BY level ASC;
It outputs the number of id's at each level:
level
count_id
1
4723602
2
4239623
3
4195459
4
3781344
5
3303071
6
2824263
7
3627376
8
2746447
... | https://stackoverflow.com/questions/75644199/how-to-calculate-user-churn-by-levels | sql, data-analysis | 1,678,038,393 |
se_75639988 | stackoverflow | DATA_SCIENCE | Homework Help - Python For Data Analytics (Linear Regression Modelling) | Homework Help - Python For Data Analytics (Linear Regression Modelling)
Part I:
Perform linear regression modelling to predict the delay in days (between the Planned
and Actual date) in processing the claims, explaining the approach taken, including
any further data pre-processing needed for modelling.
Part II:
Discus... | https://stackoverflow.com/questions/75639988/homework-help-python-for-data-analytics-linear-regression-modelling | python, csv, data-analysis | 1,677,985,721 |
se_75608702 | stackoverflow | DATA_SCIENCE | In Google Data Studio, how can I concat multiple row values in one column grouped by IDs in another column? | In Google Data Studio, how can I concat multiple row values in one column grouped by IDs in another column?
This is my first post on here. I am having a hard time coming up with a solution to an issue I'm having in creating a product bundle analysis on Google Data studio. I know that my problem can be easily resolved ... | https://stackoverflow.com/questions/75608702/in-google-data-studio-how-can-i-concat-multiple-row-values-in-one-column-groupe | sql, database, concatenation, data-analysis, looker-studio | 1,677,702,758 |
se_74213804 | stackoverflow | DATA_SCIENCE | How to unwrap coordinates produced by LAMMPS in python | How to unwrap coordinates produced by LAMMPS in python
Okay so I am using LAMMPS to produce wrapped coordinates since I am using periodic boundary conditions with their simulation, in a box of x=[0,91.24] by y=[0,91.24], and I was looking how I would be able to unwrap the coordinates so that I get correct coordinates ... | https://stackoverflow.com/questions/74213804/how-to-unwrap-coordinates-produced-by-lammps-in-python | python, data-analysis, unwrap | 1,666,815,657 |
se_75626095 | stackoverflow | DATA_SCIENCE | How to write SQL bigquery query to calculate quantity of customers for the first and last day of month? | How to write SQL bigquery query to calculate quantity of customers for the first and last day of month?
We have table deals, which contains organization_id, won_time.
If the last Deal with this client was won a >3 months ago, that is a lost client.
To calculate the number of customers at a certain moment, you need to ... | https://stackoverflow.com/questions/75626095/how-to-write-sql-bigquery-query-to-calculate-quantity-of-customers-for-the-first | sql, google-bigquery, data-analysis | 1,677,840,580 |
se_75623217 | stackoverflow | DATA_SCIENCE | SettingWithCopyWarning: When trying to modify the date format of two columns of a dataframe | SettingWithCopyWarning: When trying to modify the date format of two columns of a dataframe
I am trying to change the date formats of two separate columns Order_Date, Ship_Date in the dataframe to dd-mm-yyyy format. This is my python code.
# Importing library panda
import pandas as pd
pd.set_option('display.max_rows',... | https://stackoverflow.com/questions/75623217/settingwithcopywarning-when-trying-to-modify-the-date-format-of-two-columns-of | python, pandas, dataframe, data-analysis | 1,677,818,325 |
se_75620647 | stackoverflow | DATA_SCIENCE | Matplotlib bar chart text couldnt be plotted correctly | Matplotlib bar chart text couldnt be plotted correctly
The result of the below codei tried ploting matplotlib bar graph but couldn't plot the text on correct position. Seems like it there is some problem with the x-axis i defined
The texts which needs to be top on respective bars gets squashed to side.
Any help would ... | https://stackoverflow.com/questions/75620647/matplotlib-bar-chart-text-couldnt-be-plotted-correctly | python, matplotlib, data-analysis | 1,677,789,955 |
se_75611433 | stackoverflow | DATA_SCIENCE | Pandas Dataframe - Compare values and find mismatch in each row? | Pandas Dataframe - Compare values and find mismatch in each row?
i have a df for product price having columns: SKU, Amazon, eBay, Walmart, PS, SPL where values can be null or Price for that SKU.
I want to compare PS and SPL if they are non-null then price should match on each row. that means, mismatch is an error SKU.... | https://stackoverflow.com/questions/75611433/pandas-dataframe-compare-values-and-find-mismatch-in-each-row | python, pandas, dataframe, data-analysis | 1,677,732,536 |
se_75606761 | stackoverflow | DATA_SCIENCE | How to calculate the no-show rate for medical appointments based on previous appointments in a pandas DataFrame?" | How to calculate the no-show rate for medical appointments based on previous appointments in a pandas DataFrame?"
I am working on a healthcare dataset from Kaggle (https://www.kaggle.com/joniarroba/noshowappointments), which contains information about medical appointments in Brazil and whether or not the patient ... | https://stackoverflow.com/questions/75606761/how-to-calculate-the-no-show-rate-for-medical-appointments-based-on-previous-app | python, pandas, dataframe, data-analysis, kaggle | 1,677,689,711 |
se_75563804 | stackoverflow | DATA_SCIENCE | shape mismatch: objects cannot be broadcast to a single shape | shape mismatch: objects cannot be broadcast to a single shape
I want to combine sheets of given file but my code gives me given type error
TypeError: first argument must be an iterable of pandas objects, you passed an object of type "DataFrame"
`import pandas as pd
wb_url = r'D:\DA\power query data\Excel Power Query P... | https://stackoverflow.com/questions/75563804/shape-mismatch-objects-cannot-be-broadcast-to-a-single-shape | python-3.x, pandas, typeerror, data-analysis | 1,677,308,309 |
se_75611168 | stackoverflow | DATA_SCIENCE | Is there a way to search for multiple times when running a query in BigQuery? | Is there a way to search for multiple times when running a query in BigQuery?
I'm extremely new to SQL! Honestly, other than online coursework for other focuses and surfing the internet, I'm extremely new to all of this. I've been working on the Google Data Analytics Career Certificate and am working on the capstone... | https://stackoverflow.com/questions/75611168/is-there-a-way-to-search-for-multiple-times-when-running-a-query-in-bigquery | sql, database, google-bigquery, data-analysis | 1,677,729,151 |
se_75606996 | stackoverflow | DATA_SCIENCE | Efficient way of applying calculations on dataframes with different conditions and levels | Efficient way of applying calculations on dataframes with different conditions and levels
I have a dataframe in the following format, it is sorted by the dates for each item, which have a determined frequency:
df = pd.DataFrame(
{
"date": [2020-01-01, 2020-02-01, 2020-03-01, 2020-01-01, 2020-02-01],
"item_ID": ... | https://stackoverflow.com/questions/75606996/efficient-way-of-applying-calculations-on-dataframes-with-different-conditions-a | python, pandas, data-analysis | 1,677,691,235 |
se_75593694 | stackoverflow | DATA_SCIENCE | Flag accounts on the basis of Previous entry | Flag accounts on the basis of Previous entry
I'm doing a case study for which I need some help. A person is applying for Visa and can apply through any medium. We would like to understand which method did person opt for before coming to Office (Medium of application). I have the information here in the table below - [... | https://stackoverflow.com/questions/75593694/flag-accounts-on-the-basis-of-previous-entry | sas, data-analysis, sas-macro, proc-sql, enterprise-guide | 1,677,596,227 |
se_75600517 | stackoverflow | DATA_SCIENCE | Scraping data from sankey diagram using python and BS | Scraping data from sankey diagram using python and BS
I am new to Python and am currently trying to figure out how to scrape data from this web:
https://www.iea.org/sankey/#?c=Indonesia&s=Balance
i have tried using BS and selenium but it didnt work. Need data that showed inside the diagram. Thank you for your answer
i... | https://stackoverflow.com/questions/75600517/scraping-data-from-sankey-diagram-using-python-and-bs | python, web-scraping, data-analysis, sankey-diagram | 1,677,654,570 |
se_75579371 | stackoverflow | DATA_SCIENCE | Creation of variable containing a df variable labels leads to the creation of "dot" variable name | Creation of variable containing a df variable labels leads to the creation of "dot" variable name
How can I improve the syntax below to avoid the appearance of a dot when I try to save a dataset's variable list and relating variable labels to the dataframe vars.n.theirlabels. I haven't been able to remove th... | https://stackoverflow.com/questions/75579371/creation-of-variable-containing-a-df-variable-labels-leads-to-the-creation-of-d | r, data-analysis | 1,677,494,198 |
se_75588707 | stackoverflow | DATA_SCIENCE | I want to convert .log file to .csv file using python | I want to convert .log file to .csv file using python
I have given an alert-handler-error.log file to make analytics on error occurrence. Initially, I have to convert the .log file to CSV or excel file to open it in a data visualization tool.
{"level":"ERROR","timestamp":"2023-02-03T19:38:10.141Z","logger":"kafkajs","... | https://stackoverflow.com/questions/75588707/i-want-to-convert-log-file-to-csv-file-using-python | python, dataframe, data-analysis, logfile | 1,677,567,091 |
se_31750122 | stackoverflow | DATA_SCIENCE | python for data analysis | python for data analysis
I am learning data analysis with the help of a book named'python for data analysis'.Every thing goes well.But i get a problem that i do not know what is going on.
The instruction from the book is:
In [846]: !cat ch06/ex1.csv
But when I input it in canopy, it comes out with
!cat ch06/ex1.... | https://stackoverflow.com/questions/31750122/python-for-data-analysis | python, csv, ipython, data-analysis | 1,438,357,233 |
se_75589435 | stackoverflow | DATA_SCIENCE | Pandas - Do I have to convert objects in float/int in order to sum them? | Pandas - Do I have to convert objects in float/int in order to sum them?
I am doing my very first project with Pandas and this is the data frame I currently have:
click me
I need to calculate the percentage of bachelor degrees, which I read is done by dividing the value by the sum of all the values and then multiplyin... | https://stackoverflow.com/questions/75589435/pandas-do-i-have-to-convert-objects-in-float-int-in-order-to-sum-them | pandas, dataframe, data-analysis | 1,677,572,253 |
se_75583152 | stackoverflow | DATA_SCIENCE | How to find a maximum length of consecutive increasing elements in time series data in pandas | How to find a maximum length of consecutive increasing elements in time series data in pandas
I have a time series data with three columns (tilted as tool name, value, date)as below:
Tool Name
Value
Date
A
52.14
1/1
A
51.5
1/7
A
52
1/10
A
52.9
2/1
B
53.1
1/5
B
51.7
1/10
B
51.9
1/21
B
52.4
1/22
... | https://stackoverflow.com/questions/75583152/how-to-find-a-maximum-length-of-consecutive-increasing-elements-in-time-series-d | pandas, time-series, data-analysis | 1,677,515,735 |
se_75576726 | stackoverflow | DATA_SCIENCE | Updating an old dataframe with conditional matching of different columns and adding new rows in pandas | Updating an old dataframe with conditional matching of different columns and adding new rows in pandas
I have an old dataframe with following columns and lot of rows and look like this
>old_df
date/time Name detect_ID category ID
12/1/2023 XXX 1 B 1400
12/1/2023 XXY 1,3,7 B ... | https://stackoverflow.com/questions/75576726/updating-an-old-dataframe-with-conditional-matching-of-different-columns-and-add | python, pandas, dataframe, data-analysis, data-cleaning | 1,677,471,281 |
se_71009765 | stackoverflow | DATA_SCIENCE | Generating a random planar graph in python | Generating a random planar graph in python
I am looking to generate a random planar graph in python with around 20 vertices. I checked out this planar graph generator but two problems emerged:
The algorithm on the aforementioned GitHub project seems a bit too overkill to generate a random planar graph that doesn’t ha... | https://stackoverflow.com/questions/71009765/generating-a-random-planar-graph-in-python | python, graph, data-analysis | 1,644,168,338 |
se_75551293 | stackoverflow | DATA_SCIENCE | How do I remove the automatic breakpoints/coefficients from the segmented package? | How do I remove the automatic breakpoints/coefficients from the segmented package?
I have been running analysis on data that involves breakpoints and I'm using the segmented package. When I run my analysis, I get the following output:
fit <- lm(XBRrate~Gap, data = batstraining2)
summary(fit)
segmented.fit <- segmented... | https://stackoverflow.com/questions/75551293/how-do-i-remove-the-automatic-breakpoints-coefficients-from-the-segmented-packag | r, data-analysis | 1,677,194,540 |
se_75549625 | stackoverflow | DATA_SCIENCE | i want to fit a model in sklearn but it throws an error. below are the lines of code i used | i want to fit a model in sklearn but it throws an error. below are the lines of code i used
I used the lines of code below to fit a model in sklearn.
linearmodel =LinearRegression()
linearmodel.fit(x_train, y_train)
but I get this error:
ValueError: could not convert string to float: 'Male'
what could be wrong? | https://stackoverflow.com/questions/75549625/i-want-to-fit-a-model-in-sklearn-but-it-throws-an-error-below-are-the-lines-of | python, scikit-learn, regression, data-science, data-analysis | 1,677,181,529 |
se_75523092 | stackoverflow | DATA_SCIENCE | Checking the significance of the difference between two groups of different length | Checking the significance of the difference between two groups of different length
I need to check if the difference between land surface temperature in the past and present within the LULC is statistically significant. LULC units changed over time and the length of the temperature data changed as well because the cla... | https://stackoverflow.com/questions/75523092/checking-the-significance-of-the-difference-between-two-groups-of-different-leng | r, data-analysis, difference, variable-length, significance | 1,676,996,051 |
se_64854774 | stackoverflow | DATA_SCIENCE | TFX / Tensorflow Data Validation (TFDV) does not work on data drift | TFX / Tensorflow Data Validation (TFDV) does not work on data drift
I'm not sure what the problem is with the code below. I read the documentations and all of them point to an approach similar to this one.
Here is a simple example that doesn't work. My expectation was a notice for the feature x1 since the distribution... | https://stackoverflow.com/questions/64854774/tfx-tensorflow-data-validation-tfdv-does-not-work-on-data-drift | python, pandas, validation, data-analysis, tfx | 1,605,515,640 |
se_75521151 | stackoverflow | DATA_SCIENCE | Pandas - Group by week while maintaining perfect chronological records | Pandas - Group by week while maintaining perfect chronological records
We have a dataframe that has break events that have happened on a production line.
# Example dataframe
df = pd.DataFrame({
'RSNCODE': ['300.306', '100.102', '300.306'],
'BEGTIME': ['2022-06-08 22:21:47', '2022-06-22 14:00:00', '2022-07-25 2... | https://stackoverflow.com/questions/75521151/pandas-group-by-week-while-maintaining-perfect-chronological-records | python, pandas, data-science, data-analysis | 1,676,985,988 |
se_66089872 | stackoverflow | DATA_SCIENCE | How to open and view pcd files in Python? | How to open and view pcd files in Python?
Problem description:
I need to view pcd (point cloud data) files in this specific format (not ply). I've tested libraries such as pypcd (primary solution) and some alternatives such as pyntcloud (secondary solution), open3d, python-pcl and pcd3ply as described in solution prop... | https://stackoverflow.com/questions/66089872/how-to-open-and-view-pcd-files-in-python | pandas, numpy, csv, data-analysis, point-cloud-library | 1,612,713,189 |
se_75516014 | stackoverflow | DATA_SCIENCE | Compare data progress in percentage with past version in Google Sheets | Compare data progress in percentage with past version in Google Sheets
Hi I have a table with data that is the progress on percentage, but every few days the progress is change so I would like to compare this with a formula this is my table:
https://docs.google.com/spreadsheets/d/12seJVgwCmlFJWVj0LQncR_euJlXDi0ATRca7x... | https://stackoverflow.com/questions/75516014/compare-data-progress-in-percentage-with-past-version-in-google-sheets | google-sheets, google-sheets-formula, compare, data-analysis | 1,676,949,824 |
se_75511441 | stackoverflow | DATA_SCIENCE | How do i select cells in a column that contain date type values in pandas | How do i select cells in a column that contain date type values in pandas
I want to look up the row that contains Transitioning EIN in the Unnamed 17 column and the date of 2021-01-29 in Unnamed 13 column.
pic
I tried this:
df.loc[(df['Unnamed: 17']=='Transitioning EIN') & (df['Unnamed: 13']=="2021-01-29 00:00:00")]
... | https://stackoverflow.com/questions/75511441/how-do-i-select-cells-in-a-column-that-contain-date-type-values-in-pandas | python, pandas, data-science, data-analysis | 1,676,908,221 |
se_75504210 | stackoverflow | DATA_SCIENCE | split rows in dataframe into multiple rows in a column | split rows in dataframe into multiple rows in a column
I have a dataframe with 10 columns and 15 rows.
If I have an empty dataframe df2 with only two columns (A,B), If I want to copy all values in row0 in split it in multiple rows in column (A). The same is for row 2 in column(B). Row 3 in column(A) and so on. I trie... | https://stackoverflow.com/questions/75504210/split-rows-in-dataframe-into-multiple-rows-in-a-column | python, pandas, data-analysis | 1,676,850,890 |
se_75501763 | stackoverflow | DATA_SCIENCE | How to convert pandas object to either currency or int? | How to convert pandas object to either currency or int?
I am working on an EDA side project with the Unicorn dataset from maven analytics. There is a column VALUATION with entries like $1B,$150M, etc. I want to convert it to either a currency or int format. | https://stackoverflow.com/questions/75501763/how-to-convert-pandas-object-to-either-currency-or-int | python, pandas, data-analysis | 1,676,825,365 |
se_75496349 | stackoverflow | DATA_SCIENCE | I am seeing this error in server.py file, " The browser (or proxy) sent a request that this server could not understand." | I am seeing this error in server.py file, " The browser (or proxy) sent a request that this server could not understand."
Here I am attaching my server.py and util.py
I have trained a model, and now wish to print the data on user's demand.
server.py
from flask import Flask, request, jsonify
#from waitress im... | https://stackoverflow.com/questions/75496349/i-am-seeing-this-error-in-server-py-file-the-browser-or-proxy-sent-a-reques | python, machine-learning, flask, data-science, data-analysis | 1,676,753,805 |
se_75498350 | stackoverflow | DATA_SCIENCE | NameError: name " " is not defined | NameError: name " " is not defined
New to python programming,While I was analysing spotify Datasets I got this error.
What I was doing was Plot a Line Graph to Show the Duration of the Songs for Each Year.
Any idea how do i fix this?
enter image description here
sns.displot(years,discrete=True,aspect=2,heigh... | https://stackoverflow.com/questions/75498350/nameerror-name-is-not-defined | python, data-analysis, nameerror | 1,676,787,354 |
se_73612523 | stackoverflow | DATA_SCIENCE | About Data Cleaning | About Data Cleaning
I am a pretty amateur data science student and I am working on a project where I compared two servers in a team based game but my two datasets are formatted differently from one another. One column for instance would be first blood, where one set of data stores this information as "blue_team_first_... | https://stackoverflow.com/questions/73612523/about-data-cleaning | python, sql, pandas, data-science, data-analysis | 1,662,396,671 |
se_75477244 | stackoverflow | DATA_SCIENCE | parsing the xml file using pandas | parsing the xml file using pandas
So, I'm trying to extract information from this xml --
<bdb:getTargetByCompoundResponse xmlns:bdb="http://ws.bindingdb.org/xsd">
<bdb:smile>C[C@H]1[C@H](C)CC[C@]2(C)CC[C@]3(C)C(=CC(=O)[C@@H]4[C@@]5(C)CC[C@@H](O)[C@](C)(C(=O)O)[C@@H]5CC[C@]43C)[C@H]12</bdb:smile>
<bdb:inchi>InChI... | https://stackoverflow.com/questions/75477244/parsing-the-xml-file-using-pandas | python, pandas, xml-parsing, data-analysis, bioinformatics | 1,676,577,118 |
se_75412862 | stackoverflow | DATA_SCIENCE | Ordering data in python or excel | Ordering data in python or excel
I have a large csv file of unordered data. It consists of music tags. I am trying to group all of the similar tags together for easier analysis.
An example of what I have:
Band1, hiphop, pop, rap
Band2, rock, rap, pop
band3, hiphop, rap
The output I am looking for would be lik... | https://stackoverflow.com/questions/75412862/ordering-data-in-python-or-excel | python, excel, sorting, data-analysis | 1,676,041,798 |
se_75470255 | stackoverflow | DATA_SCIENCE | dplyr cross tab with missing values (updated 2022) | dplyr cross tab with missing values (updated 2022)
Would it be possible to update the answer given here:
dplyr cross tab with missing values
code:
library(tidyr)
mtcars %>%
mutate(
cyl = ifelse(cyl > 6, NA, cyl),
gear = ifelse(gear > 4, NA, gear)
) %>%
group_by(cyl, gear) %>%
tally() %>%
ungroup() %>... | https://stackoverflow.com/questions/75470255/dplyr-cross-tab-with-missing-values-updated-2022 | r, data-analysis | 1,676,539,918 |
se_75468375 | stackoverflow | DATA_SCIENCE | How to turn the first image into the second using python pandas? | How to turn the first image into the second using python pandas?
I want to only keep the last location(level2) entry for every last name (eg:Balchunias,London etc). How do i do it?
I want to turn this:
to this: | https://stackoverflow.com/questions/75468375/how-to-turn-the-first-image-into-the-second-using-python-pandas | python, excel, pandas, data-science, data-analysis | 1,676,527,118 |
se_75458143 | stackoverflow | DATA_SCIENCE | SQL INNER JOIN syntax Error BigQuery // New to SQL | SQL INNER JOIN syntax Error BigQuery // New to SQL
I'm getting this error "No matching signature for operator = for argument types: INT64, STRING. Supported signature: ANY = ANY at [9:6]
" while trying to JOIN two table in BQ, Login ID column is listed in the two tables but BQ shows that there's an error on line 9ente... | https://stackoverflow.com/questions/75458143/sql-inner-join-syntax-error-bigquery-new-to-sql | sql, google-bigquery, syntax, inner-join, data-analysis | 1,676,455,407 |
se_75443317 | stackoverflow | DATA_SCIENCE | Power BI : how to create measure that refer other measure (DAX) | Power BI : how to create measure that refer other measure (DAX)
i try to create a matrix visual with measure as column and the KPI as row.
the issue is occur when the measure should accommodate each KPI calculation, so i think that create a measure that refer other measure(each KPI calculation) is the solution. please... | https://stackoverflow.com/questions/75443317/power-bi-how-to-create-measure-that-refer-other-measure-dax | matrix, powerbi, dax, data-analysis, measure | 1,676,347,102 |
se_54304913 | stackoverflow | DATA_SCIENCE | Differences between seaborn histogram, countplot and distplot | Differences between seaborn histogram, countplot and distplot
I think they all look the same but there must be some difference.
They all take a single column as input, and the y-axis has the count for all plots. | https://stackoverflow.com/questions/54304913/differences-between-seaborn-histogram-countplot-and-distplot | python, matplotlib, visualization, seaborn, data-analysis | 1,548,148,754 |
se_75439389 | stackoverflow | DATA_SCIENCE | Power BI Gantt Chart | Power BI Gantt Chart
Can someone enlighten me on how to create a visual like this? Visual that show how long the business proposal has been and if they are still in negotiating phase or closing deals already.
I tried searching all over the internet for a week now, but until now I can't find any answer. Hope someone hi... | https://stackoverflow.com/questions/75439389/power-bi-gantt-chart | powerbi, data-analysis, powerbi-desktop, deneb | 1,676,309,921 |
se_75443106 | stackoverflow | DATA_SCIENCE | Loading Data into Snowflake table from a CSV file | Loading Data into Snowflake table from a CSV file
I've been trying to add data from a csv file into snowflake database. I use the load data GUI option to upload the data. The problem is that since it is a CSV file ',' is the delimiter and the data inside one of the columns has , in it so it is considering it as a deli... | https://stackoverflow.com/questions/75443106/loading-data-into-snowflake-table-from-a-csv-file | excel, snowflake-cloud-data-platform, data-analysis, data-cleaning | 1,676,343,989 |
se_75418010 | stackoverflow | DATA_SCIENCE | Measure similarity of objects over a period of time | Measure similarity of objects over a period of time
I've got a dataset that has monthly metrics for different stores. Each store has three monthly (Total sales, customers and transaction count), my task is over a year I need to find the store that most closely matches a specific test store (Ex: Store 77).
Therefore ov... | https://stackoverflow.com/questions/75418010/measure-similarity-of-objects-over-a-period-of-time | math, data-science, data-analysis, similarity | 1,676,087,788 |
se_75423156 | stackoverflow | DATA_SCIENCE | get second highest value from a dimension | get second highest value from a dimension
click to view the image of the dataset
here as we can see
there is a state , there is a election constituency , and then there are multiple candidates
who contested a election for the said constituency ....
now i want is to get the second highest vote acquirer in tableau ...
... | https://stackoverflow.com/questions/75423156/get-second-highest-value-from-a-dimension | tableau-api, data-analysis, tableau-desktop | 1,676,147,914 |
se_75428059 | stackoverflow | DATA_SCIENCE | Flag accounts on the basis of reapplication logic ( case of multiple entries by one person) | Flag accounts on the basis of reapplication logic ( case of multiple entries by one person)
I'm doing a case study for which I need some help.
Background - There are a bunch of people who have applied for Visa and have made multiple applications through different channels. I have to find out if a person has reapplied ... | https://stackoverflow.com/questions/75428059/flag-accounts-on-the-basis-of-reapplication-logic-case-of-multiple-entries-by | sas, data-analysis, sas-macro, proc-sql, enterprise-guide | 1,676,215,331 |
se_75422549 | stackoverflow | DATA_SCIENCE | I am trying to fit my data for Linear Regression and getting this error | I am trying to fit my data for Linear Regression and getting this error
> this is the error i am getting, i am new to python please help with this.
##########################################################################
ValueError Traceback (most recent call last)
Cell In[97], line 4
... | https://stackoverflow.com/questions/75422549/i-am-trying-to-fit-my-data-for-linear-regression-and-getting-this-error | python, linear-regression, data-analysis, google-analytics-api, exploratory-data-analysis | 1,676,141,413 |
se_75417991 | stackoverflow | DATA_SCIENCE | How to segregate an monthly data from daily data using sql or bigquery? | How to segregate an monthly data from daily data using sql or bigquery?
We are receiving data monthly for some ids and daily for some ids. I need to segregate the data as monthly or daily before applying the logic required for further analysis.
i have tried to use datadiff sql function to do that, but its not really h... | https://stackoverflow.com/questions/75417991/how-to-segregate-an-monthly-data-from-daily-data-using-sql-or-bigquery | sql, machine-learning, google-bigquery, data-analysis | 1,676,087,331 |
se_64435944 | stackoverflow | DATA_SCIENCE | How to solve sklearn error: "Found input variables with inconsistent numbers of samples"? | How to solve sklearn error: "Found input variables with inconsistent numbers of samples"?
I have a challenge using the sklearn 70-30 division. I receive an error on line:
X_train, X_test, y_train, y_test = train_test_split(X_smote, y_smote, test_size=0.3, stratify=y)
The error is:
Found input variables with... | https://stackoverflow.com/questions/64435944/how-to-solve-sklearn-error-found-input-variables-with-inconsistent-numbers-of | python, data-analysis, sklearn-pandas, train-test-split | 1,603,146,855 |
se_65507361 | stackoverflow | DATA_SCIENCE | Web scraping Yahoo financial statements -Balance sheet | Web scraping Yahoo financial statements -Balance sheet
I was trying to scrape balance sheet from Yahoo Finance using Python but couldn't get the expanded information.
What should I add to my code to get the detailed financial data?
Code used:
for table_row in table_rows:
parsed_row=[]
el=table_row.xpath('./di... | https://stackoverflow.com/questions/65507361/web-scraping-yahoo-financial-statements-balance-sheet | python, data-analysis | 1,609,333,102 |
se_75390285 | stackoverflow | DATA_SCIENCE | How to calculate the volume under a 3d plot in Python? | How to calculate the volume under a 3d plot in Python?
We have been given a task to calculate an excavation volume using python given the 3D coordinates under a seabed. Is there a way, after plotting this, to calculate the volume under the 3D curve?
I have theoretically found ways that i can plot this using plotly or ... | https://stackoverflow.com/questions/75390285/how-to-calculate-the-volume-under-a-3d-plot-in-python | python, plot, data-analysis | 1,675,881,218 |
se_75363346 | stackoverflow | DATA_SCIENCE | How install kmapper? | How install kmapper?
I have installed kmapper since command prompt, but when I import kmapper in jupyter notebook
is visualized a error: No module named kmapper.
What can I do?
I should install kmapper, please help me. | https://stackoverflow.com/questions/75363346/how-install-kmapper | python, anaconda, data-analysis | 1,675,697,496 |
se_75383862 | stackoverflow | DATA_SCIENCE | referral system analyses with pandas | referral system analyses with pandas
I have excel file which looks like this:
currently i have excel file with this data: column 1 - date, column 2 - user id, column 3 - parent of user, column 4 - grandparent of user(i.e. parent of previous user), column 5 - parent of previous user, column 6 - parent of previous user,... | https://stackoverflow.com/questions/75383862/referral-system-analyses-with-pandas | python, excel, pandas, data-analysis, referrals | 1,675,849,393 |
se_75381524 | stackoverflow | DATA_SCIENCE | How to reset running total for a column if null is present? | How to reset running total for a column if null is present?
I have a table as below
Customer
Start_Date_of_Month
Sales_order_count
Value
A
01/06/2022
3
null
B
01/07/2022
2
null
A
01/07/2022
0
1
A
01/08/2022
0
1
B
01/08/2022
0
1
A
01/09/2022
3
null
B
01/09/2022
1
null
A
01/10/2022
1
null
B
01/10... | https://stackoverflow.com/questions/75381524/how-to-reset-running-total-for-a-column-if-null-is-present | mysql, sql, data-analysis | 1,675,832,286 |
se_75379512 | stackoverflow | DATA_SCIENCE | I need help writing a function in EXCEL | I need help writing a function in EXCEL
I have data where I have the country code, and the year. each country has a population according to that year.
however, I want to add a column with the GDP for each country for each year.
I didn't succeed to create a function in excel that matched the data from one sheet to anot... | https://stackoverflow.com/questions/75379512/i-need-help-writing-a-function-in-excel | excel, excel-formula, data-analysis | 1,675,807,944 |
se_75378673 | stackoverflow | DATA_SCIENCE | I need to create a column based on overall pass/fail performance using Python | I need to create a column based on overall pass/fail performance using Python
Asset
performance
1
pass
1
fail
2
pass
3
fail
3
fail
4
pass
I have two columns. In column A are key values that may repeat, and in column B are individual instances of pass/fail. I need to create a column C using Pandas tha... | https://stackoverflow.com/questions/75378673/i-need-to-create-a-column-based-on-overall-pass-fail-performance-using-python | python, pandas, automation, data-analysis | 1,675,801,753 |
se_75363058 | stackoverflow | DATA_SCIENCE | R: change timedate <chr> to separate date <date> and time<hms> | R: change timedate <chr> to separate date <date> and time<hms>
I have a date column that's output is in chr format:
glimpse(november$start_at):
chr [1:337735] "01/11/2022 00:00" "01/11/2022 00:00" "01/11/2022 00:00" "01/11/2022 00:00" "01/11/2022 00:01" "01/11/2022 06:43"
I want to separate this in... | https://stackoverflow.com/questions/75363058/r-change-timedate-chr-to-separate-date-date-and-timehms | r, data-analysis | 1,675,696,025 |
se_75363515 | stackoverflow | DATA_SCIENCE | I want to create a new frequency column for each column in a pandas dataframe | I want to create a new frequency column for each column in a pandas dataframe
Let's say I have a dataframe like this:
colors
animals
yellow
cat
yellow
cat
red
cat
red
cat
blue
cat
I want to create a column for each column showing the frequency in which each value happens:
colors
colors_frequenc... | https://stackoverflow.com/questions/75363515/i-want-to-create-a-new-frequency-column-for-each-column-in-a-pandas-dataframe | python, pandas, data-analysis, exploratory-data-analysis | 1,675,698,318 |
se_75334132 | stackoverflow | DATA_SCIENCE | how to create new column and store value using equation | how to create new column and store value using equation
The column size has multiple values. Tor x in column size, y (predicted value) is calculated. How do display existing column size and predicted value y?
for x in df['size']:
y=(0.7118*x)+1.1691 | https://stackoverflow.com/questions/75334132/how-to-create-new-column-and-store-value-using-equation | python, pandas, data-analysis | 1,675,418,661 |
se_75350528 | stackoverflow | DATA_SCIENCE | How to find sum of these values in Pandas? | How to find sum of these values in Pandas?
I'm trying to create a script for analysing my datas. Here is my problem. Let's say I have an excel file like that.
Code Value
A1 20
B1 30
A1 15
C1 20
B1 20
I need Pandas to do this file like this. And write an excel file. I got an excel file like this.
A1 35
... | https://stackoverflow.com/questions/75350528/how-to-find-sum-of-these-values-in-pandas | python, pandas, data-analysis, sum-of-digits | 1,675,579,394 |
se_75348629 | stackoverflow | DATA_SCIENCE | Can I update a column I created to show the day of the week from an existing date column in BigQuery? | Can I update a column I created to show the day of the week from an existing date column in BigQuery?
I created a column called DayofWeek, and I am attempting to update it and insert that day of the week for the date that is in an existing column called ActivityDate.
##Used to create the column
ALTER TABLE `bellabeat-... | https://stackoverflow.com/questions/75348629/can-i-update-a-column-i-created-to-show-the-day-of-the-week-from-an-existing-dat | sql, database, google-bigquery, data-analysis | 1,675,547,696 |
se_75328835 | stackoverflow | DATA_SCIENCE | How do i fix this particular error in Excel when using Azure Machine Learning to do Sentiment Analysis? | How do i fix this particular error in Excel when using Azure Machine Learning to do Sentiment Analysis?
Obtaining error when using Azure Machine Learning add-in in Excel when doing Sentiment Analysis. I keep receiving the following error when i use Azure ML to predict.
Error i receive is: Error! {"error":{"code":"Libr... | https://stackoverflow.com/questions/75328835/how-do-i-fix-this-particular-error-in-excel-when-using-azure-machine-learning-to | excel, machine-learning, data-analysis, sentiment-analysis, azure-machine-learning-service | 1,675,371,283 |
se_75342991 | stackoverflow | DATA_SCIENCE | Determining if certain courses are taken together frequently in a term. R analysis | Determining if certain courses are taken together frequently in a term. R analysis
Assuming a table that gives student ID and the courses they took (like English 101, Math 101, etc) and the term term the course was taken in (Fall 2022, Spring 2023, etc) what is the best way to go about finding if students tended to ta... | https://stackoverflow.com/questions/75342991/determining-if-certain-courses-are-taken-together-frequently-in-a-term-r-analys | r, data-analysis | 1,675,485,682 |
se_75342892 | stackoverflow | DATA_SCIENCE | How to return the last n number of values corresponding to a specific category? | How to return the last n number of values corresponding to a specific category?
I have the following sample data.
Date Category Price Quantity
02-01-2019 BASE_Y-20 279 1
02-01-2019 BASE_Y-21 271.25 0
03-01-2019 BASE_Y-20 276.5 2
03-01-2019 BASE_Y-21 266.5 0
04-01-2019 BASE_Y-20 272.88 ... | https://stackoverflow.com/questions/75342892/how-to-return-the-last-n-number-of-values-corresponding-to-a-specific-category | excel, excel-formula, data-analysis | 1,675,483,700 |
se_75333842 | stackoverflow | DATA_SCIENCE | How to get Inactive Months cumulatively using SQL | How to get Inactive Months cumulatively using SQL
I have a sales table as following
Customer
Sale_order_ID
Date
Amount
A
1211
21/06/2022
1000
A
1212
05/07/2022
1250
B
1213
25/07/2022
1500
A
1214
25/07/2022
1550
B
1215
11/09/2022
1000
B
1216
05/10/2022
1250
A
1217
25/10/2022
1500
B
1218
28/10/2022... | https://stackoverflow.com/questions/75333842/how-to-get-inactive-months-cumulatively-using-sql | mysql, sql, data-analysis | 1,675,416,853 |
se_75315115 | stackoverflow | DATA_SCIENCE | How do I identify and extract events from a time-series dataframe? | How do I identify and extract events from a time-series dataframe?
I have a time series dataset that looks like this:
The time-series
After I import the dataset into a pandas dataframe in Python, I would like to:
Identify all of the increases above zero as individual events
Calculate the area under the curve for each... | https://stackoverflow.com/questions/75315115/how-do-i-identify-and-extract-events-from-a-time-series-dataframe | python, pandas, dataframe, data-analysis, exploratory-data-analysis | 1,675,278,906 |
se_75307017 | stackoverflow | DATA_SCIENCE | I am unable to import csv file in python | I am unable to import csv file in python
I am facing an issue regarding in python , when I import the csv file in python it is showing the data in VSCode. means file is running and successfully imported but when I want to create a report of same csv file by using from pandas_profiling import ProfileReport it shows me ... | https://stackoverflow.com/questions/75307017/i-am-unable-to-import-csv-file-in-python | python, csv, machine-learning, analytics, data-analysis | 1,675,237,765 |
se_75216508 | stackoverflow | DATA_SCIENCE | How to amend defined function to calculate wanted output (Pandas) | How to amend defined function to calculate wanted output (Pandas)
I am trying to calculate the following 'new_field' column by triple looping through the 'name', 'val_id' and 'fac_id' column with the following conditions.
1.Within each 'val_id' loop if 'product' == 'CL' then min of 'val_against' and 'our_val_amt' e.g.... | https://stackoverflow.com/questions/75216508/how-to-amend-defined-function-to-calculate-wanted-output-pandas | python, pandas, dataframe, analytics, data-analysis | 1,674,521,511 |
se_75286426 | stackoverflow | DATA_SCIENCE | Mean centering before PCA | Mean centering before PCA
I am unsure if this kind of question (related to PCA) is acceptable here or not.
However, it is suggested to do MEAN CENTER before PCA, as known. In fact, I have 2 different classes (Each different class has different participants.). My aim is to distinguish and classify those 2 classes. Stil... | https://stackoverflow.com/questions/75286426/mean-centering-before-pca | python, data-analysis, pca, centering | 1,675,091,977 |
se_75288294 | stackoverflow | DATA_SCIENCE | BigQuery SQL giving weird error on subquery | BigQuery SQL giving weird error on subquery
I've been trying to run a subquery in GCP BigQuery but it's giving an error. This is part of the Google Data Analytics course. The intent is to "compare the number of bikes available at the station with the average number of bikes available"
The dataset is bigquery-public-da... | https://stackoverflow.com/questions/75288294/bigquery-sql-giving-weird-error-on-subquery | sql, google-bigquery, subquery, data-analysis | 1,675,101,225 |
se_75289872 | stackoverflow | DATA_SCIENCE | how to transcope a part of column as rows in pandas | how to transcope a part of column as rows in pandas
i have a data of some patients and they are in a configuration that cant be used for data analysis
we have a couple of patients that each patients have multiple visits to our clinic. therefor, in our data we have a row for a visit an it contains some data and as i me... | https://stackoverflow.com/questions/75289872/how-to-transcope-a-part-of-column-as-rows-in-pandas | pandas, data-science, data-analysis | 1,675,111,068 |
se_75230297 | stackoverflow | DATA_SCIENCE | Any python package that can be used to handle METEOR RADAR data sets? | Any python package that can be used to handle METEOR RADAR data sets?
Is there any existing python package that can be used to handle METEOR RADAR data sets which are in .hwd file format?
I want to work on atmoshpereic science project on tide analysis in the MLT region using python.So, the source of the data is METEOR... | https://stackoverflow.com/questions/75230297/any-python-package-that-can-be-used-to-handle-meteor-radar-data-sets | python-3.x, machine-learning, data-analysis, physics, atmosphere | 1,674,627,534 |
se_75281869 | stackoverflow | DATA_SCIENCE | ModuleNotFoundError: my script can't find the module that I had written for my data analysis | ModuleNotFoundError: my script can't find the module that I had written for my data analysis
I am working on project for my thesis and wrote a data analysis program with fellow students. Originally I had used the program on my windows laptop where everything worked just fine. Unfortunately, my laptop broke and now... | https://stackoverflow.com/questions/75281869/modulenotfounderror-my-script-cant-find-the-module-that-i-had-written-for-my-d | python, package, anaconda, data-analysis, modulenotfounderror | 1,675,067,671 |
se_54615768 | stackoverflow | DATA_SCIENCE | Errors when using getSymbols() quantmod to predict stock price | Errors when using getSymbols() quantmod to predict stock price
I was trying to use quantmod to download some history data of stock price, here's my code:
Nasdaq100_Symbols <- c('GE','PG','MSFT','AAPL','PFE','AMD','DELL','GRPN','FB','CSCO','INTC',
'EZJ.L','BP','HSBC','MKS')
getSymbols(Nasdaq100_Sym... | https://stackoverflow.com/questions/54615768/errors-when-using-getsymbols-quantmod-to-predict-stock-price | r, time-series, data-science, data-analysis, business-intelligence | 1,549,796,990 |
se_75275800 | stackoverflow | DATA_SCIENCE | Accidently deleted all my jupyter notebook data still showing data in jupyter Variables | Accidently deleted all my jupyter notebook data still showing data in jupyter Variables
Hi i accidentelly deleted my jupyterlab notebook data
i was trying to save the data from ipynb into csv format
I used the command:
path = ('F:\jupyter Lab Projects\Automotive residual value.ipynb')
df.to_csv(path)
after i exeuted ... | https://stackoverflow.com/questions/75275800/accidently-deleted-all-my-jupyter-notebook-data-still-showing-data-in-jupyter-va | python, pandas, jupyter-notebook, export-to-csv, data-analysis | 1,675,003,856 |
se_75272470 | stackoverflow | DATA_SCIENCE | How to sum rows that start with the same string | How to sum rows that start with the same string
I used pandas to clean a csv:
import pandas as pd
import numpy as np
df = pd.read_csv(r'C:\Users\Leo90\Downloads\data-export.csv',encoding='utf-8', header=None, sep='\n')
df = df[0].str.split(',', expand=True)
df=df.iloc[:,[0,1,2,3,4,5,6,7]]
df=df.replace(to_replace='No... | https://stackoverflow.com/questions/75272470/how-to-sum-rows-that-start-with-the-same-string | python, pandas, dataframe, numpy, data-analysis | 1,674,963,819 |
se_75273956 | stackoverflow | DATA_SCIENCE | Strange behaviour in multithread analysis | Strange behaviour in multithread analysis
for a university project we are implementing an algorithm capable of bruteforcing on an AES key that we assume is partially known.
We have implemented several versions including one that exploits the multithreading mechanism in C++.
The implementation is done by allocating a v... | https://stackoverflow.com/questions/75273956/strange-behaviour-in-multithread-analysis | c++, multithreading, data-analysis | 1,674,985,426 |
se_75272199 | stackoverflow | DATA_SCIENCE | Filter Data in Python | Filter Data in Python
Among 99 Iowa counties, only the following 10 counties have a population close to or more than 100 000. Filter and name the dataset, so you only have the data from the counties: Polk, Linn, Scott, Johnson, Black Hawk, Woodbury, Dubuque, Story, Dallas, and Pottawattamie. Resent the index of the f... | https://stackoverflow.com/questions/75272199/filter-data-in-python | python, data-analysis | 1,674,958,101 |
se_75268167 | stackoverflow | DATA_SCIENCE | How add column in Pandas with using 2 existing columns? | How add column in Pandas with using 2 existing columns?
There is my problem .
Like the question said I try find the largest value . Actually , I didn't understand the question to . That question is my first question so if I not describe my problem and myself sorry . | https://stackoverflow.com/questions/75268167/how-add-column-in-pandas-with-using-2-existing-columns | python, pandas, data-analysis | 1,674,914,283 |
se_75259777 | stackoverflow | DATA_SCIENCE | Architectural pattern for multiple Python applications with shared database | Architectural pattern for multiple Python applications with shared database
The project consists of two applications in Python with a single shared database:
Application A: performs preprocessing of raw data and stores it in the database;
Application B: performs data analysis techniques on the already populated data... | https://stackoverflow.com/questions/75259777/architectural-pattern-for-multiple-python-applications-with-shared-database | python, design-patterns, architecture, data-analysis | 1,674,831,262 |
se_75244870 | stackoverflow | DATA_SCIENCE | Data maturity monitors | Data maturity monitors
Does anyone know what data maturity monitors are and How to create data maturity monitors for a table in GCP?
I am new to gcp data engineering. I have tried in google but couldnt find what data maturity monitors are. | https://stackoverflow.com/questions/75244870/data-maturity-monitors | database, google-cloud-platform, google-bigquery, data-analysis, data-warehouse | 1,674,728,872 |
se_75238694 | stackoverflow | DATA_SCIENCE | SAS: How to vertically join multiple datasets where a variable is numeric in one dataset and character in the other | SAS: How to vertically join multiple datasets where a variable is numeric in one dataset and character in the other
This is complicated a little because we're using a pipeline with a filelist to compile the data, so there are 50+ datasets coming in. I need to combine many, many datasets vertically, but var2 is numeric... | https://stackoverflow.com/questions/75238694/sas-how-to-vertically-join-multiple-datasets-where-a-variable-is-numeric-in-one | sas, data-analysis, sas-macro | 1,674,673,435 |
se_75217117 | stackoverflow | DATA_SCIENCE | Finding value of a parameter using set of data | Finding value of a parameter using set of data
I have a set of value for x and y and I'm looking to find a way to find the value of a parameter for a function.
I have a function y = Ax^{4/3}.
I was thinking about using curvefit, but I'm not sure if this is the right way.
I tried to linearize the function and find the ... | https://stackoverflow.com/questions/75217117/finding-value-of-a-parameter-using-set-of-data | python, data-analysis, curve-fitting | 1,674,530,373 |
se_41780489 | stackoverflow | DATA_SCIENCE | python pandas: how to calculate derivative/gradient | python pandas: how to calculate derivative/gradient
Given that I have the following two vectors:
In [99]: time_index
Out[99]:
[1484942413,
1484942712,
1484943012,
1484943312,
1484943612,
1484943912,
1484944212,
1484944511,
1484944811,
1484945110]
In [100]: bytes_in
Out[100]:
[1293981210388,
1293981379944... | https://stackoverflow.com/questions/41780489/python-pandas-how-to-calculate-derivative-gradient | python, pandas, data-analysis | 1,485,008,699 |
se_75220761 | stackoverflow | DATA_SCIENCE | Query not running properly | Query not running properly
I ran a query using google big query but I get an error as a result. I don't know what could be wrong.
SELECT
usertype,
CONCAT(start_station_name, " to ", end_station_name) AS route,
COUNT(*) as num_trips,
ROUND(AVG(CAST(tripduration AS INT64)/60),2) AS duration
FROM
`bigquery-public-... | https://stackoverflow.com/questions/75220761/query-not-running-properly | database, validation, google-bigquery, analytics, data-analysis | 1,674,559,371 |
se_75221884 | stackoverflow | DATA_SCIENCE | Python Data Transformation--EDA | Python Data Transformation--EDA
Trying to transform my data from
lm-stands for last month
hopefully this makes sense ,how i have it
import pandas as pd
df = pd.read_excel('data.xlsx') #reading data
output = []
grouped = df.groupby('txn_id')
for txn_id, group in grouped:
avg_amt = group['avg_amount'].iloc[-1]
min_a... | https://stackoverflow.com/questions/75221884/python-data-transformation-eda | python, pandas, dataframe, data-analysis, data-transform | 1,674,565,369 |
se_75038773 | stackoverflow | DATA_SCIENCE | Why does the program return different value when I order the list differently? | Why does the program return different value when I order the list differently?
I'm trying to learn how to analyze large data better, and I wanted to make a program where by inputting a CSV of keywords you can look for the occurrence of each in a second data csv. I setup this code as an example, I created a list of key... | https://stackoverflow.com/questions/75038773/why-does-the-program-return-different-value-when-i-order-the-list-differently | python, pandas, for-loop, statistics, data-analysis | 1,673,076,927 |
se_75204791 | stackoverflow | DATA_SCIENCE | Faster Way to Implement Gaussian Smoothing? (Python 3.10, NumPy) | Faster Way to Implement Gaussian Smoothing? (Python 3.10, NumPy)
I'm attempting to implement a Gaussian smoothing/flattening function in my Python 3.10 script to flatten a set of XY-points. For each data point, I'm creating a Y buffer and a Gaussian kernel, which I use to flatten each one of the Y-points based on it's... | https://stackoverflow.com/questions/75204791/faster-way-to-implement-gaussian-smoothing-python-3-10-numpy | python, numpy, data-analysis | 1,674,432,506 |
se_74158044 | stackoverflow | DATA_SCIENCE | How do I create a filter to select a single term from a string in Tableau? I need to be able to select multiple terms | How do I create a filter to select a single term from a string in Tableau? I need to be able to select multiple terms
for example my data looks something like this:
Name
Age
Dessert
maria
12
cake; ice cream; cookies; candy
hannah
20
cake; candy
brian
8
ice cream; cookies
liam
13
candy
julie
32
cake; co... | https://stackoverflow.com/questions/74158044/how-do-i-create-a-filter-to-select-a-single-term-from-a-string-in-tableau-i-nee | excel, string, visualization, tableau-api, data-analysis | 1,666,378,256 |
se_75188925 | stackoverflow | DATA_SCIENCE | How to count number of people for each month, who was on internship, if we know dates of internship | How to count number of people for each month, who was on internship, if we know dates of internship
First of all, sorry for bad title - I can't figure out how to write generalized formulation of my problem.
I have a table in PostgreSQL with users and dates of their internships. It looks like this:
user_id
start
en... | https://stackoverflow.com/questions/75188925/how-to-count-number-of-people-for-each-month-who-was-on-internship-if-we-know | sql, postgresql, data-analysis | 1,674,245,511 |
se_75196680 | stackoverflow | DATA_SCIENCE | If a string or multiple strings from a list matches the value(strings) from a specific column then, how to populate a new column with matched strings? | If a string or multiple strings from a list matches the value(strings) from a specific column then, how to populate a new column with matched strings?
I have a pandas data frame and a list. I am trying to match the list of string with the data frame and fill a new column named system_name with the matched string or st... | https://stackoverflow.com/questions/75196680/if-a-string-or-multiple-strings-from-a-list-matches-the-valuestrings-from-a-sp | python, pandas, dataframe, data-science, data-analysis | 1,674,336,457 |
se_75190156 | stackoverflow | DATA_SCIENCE | Extracting interpolated data along a line between 2 points of a scalar located at nodes of a 2-D unstructured mesh | Extracting interpolated data along a line between 2 points of a scalar located at nodes of a 2-D unstructured mesh
I have a csv of data in the following form:
x-coordinate
y-coordinate
scalar
0
0
0.2344
0.1
0.25
12.588
...
...
...
0.65
0.8
0.4438
1
1
12.5
This data is from a simulation performed on... | https://stackoverflow.com/questions/75190156/extracting-interpolated-data-along-a-line-between-2-points-of-a-scalar-located-a | python, scipy, interpolation, data-analysis | 1,674,256,608 |
se_75176203 | stackoverflow | DATA_SCIENCE | Cleaning a messy Dataset | Cleaning a messy Dataset
I got an originally txt file converted to csv.
I have the column names but there is practically one row in the
unprocessed dataset.
How do I clean the dataset using pandas,numpy exc.methods so that each string/int between every comma will be placed in seperated column with the proper column na... | https://stackoverflow.com/questions/75176203/cleaning-a-messy-dataset | python, pandas, numpy, machine-learning, data-analysis | 1,674,149,891 |
se_75165861 | stackoverflow | DATA_SCIENCE | How can I extract route alert data from Waze? | How can I extract route alert data from Waze?
I've just made a long car travel and Waze gave me great alerts about the road quality. I'd like to share this info with the oversight authorities. Some of the roads were really bad and Waze informed about the road spots that needed maintenance.
Is it possible to extract th... | https://stackoverflow.com/questions/75165861/how-can-i-extract-route-alert-data-from-waze | data-analysis, waze | 1,674,080,526 |
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