30th August 2026 09:55
Stackoverflow - Number of High Scored Pandas Questions
Top Monthly Stackoverflow Pandas Questions
| Question | Score | Views | Answers | Answered |
|---|---|---|---|---|
| Pandas groupby equal consecutive column values based on index | 2 | 24 | 1 | True |
| pandas: sorting/re-ordering columns for a multi-level column dataframe | 1 | 31 | 2 | True |
| Pylance in Visual Studio Code not detecting Pandas (already installed) | 1 | 65 | 1 | True |
| How to flatten pandas series of series? | 1 | 45 | 1 | True |
| How to read a .txt file to graph a plot | 1 | 39 | 1 | True |
| dask dataframe aggregation without groupby (ddf.agg(['min','max'])? | 1 | 28 | 1 | True |
| Lower triangle mask with seaborn clustermap bug | 1 | 26 | 1 | True |
| python panda ExcelWriter switching dynamic formula to array formula | 1 | 31 | 1 | True |
| How I can use actual value which depends on date | 1 | 41 | 2 | False |
| Is there a way to get all values level by all level in a Pandas MultiIndex? | 1 | 52 | 3 | True |
| Nested columns with DataFrame in Streamlit data_editor? | 1 | 40 | 0 | False |
| Calculate consecutive days in Python-pandas | 2 | 66 | 4 | True |
| Processing a CSV file with multiple, independent headers | 1 | 68 | 4 | True |
| Mercury + Mito + jupyter notebook | 1 | 17 | 0 | False |
| Validate pandas.Period with Pandera schema | 1 | 46 | 2 | True |
| When using scikit-learn fit, getting an error "Expected a 2-dimensional container but got <class 'pandas.core.series.Series'> instead." | 1 | 72 | 1 | False |
| Python Pandas - Timeseries - Timestamp missing time exact at 00:00 | 1 | 37 | 2 | True |
| Python app keeps OOM crashing on Pandas merge | 1 | 121 | 1 | True |
| Pandas merge and Apply or Assign function not working | 2 | 30 | 1 | True |
| Read the latest S3 parquet files partitioned by date key using Polars | 2 | 58 | 1 | True |
| Converting data wide to long, collapsing to 1 minute intervals | 2 | 27 | 1 | True |
| Pandas aggregating hours in group by | 1 | 25 | 1 | True |
| Mapping to rename a single column label with a function? | 1 | 31 | 2 | True |
| How do I see which versions of packages are compatible with one another | 1 | 14 | 0 | False |
| Downsample a pandas dataframe keeping same proportion of target in every month | 1 | 57 | 2 | True |
| How to prevent Pandas from plotting index as Period? | 1 | 27 | 1 | True |
| Jupyter Notebook displaying javascript error when trying to display the widgets | 1 | 77 | 1 | True |
| IF Nested IF Pandas | 1 | 76 | 2 | False |
| Reset values in pd dataframe | 1 | 30 | 1 | True |
| Pandas data frame processing limit? | 1 | 21 | 1 | False |
| Summing across columns in a block of a multi column dataframe pandas | 1 | 41 | 2 | True |
| how to remove certain columns from dataframe | 1 | 53 | 3 | True |
| Set unique identifier for cases with correpsonding previous index / same trace | 1 | 86 | 1 | True |
| Pythonic way to locate index and column of polars dataframe based on absolute sorted values | 3 | 13 | 1 | True |
| Create pandas dataframe column containing list of previous values | 2 | 37 | 2 | True |
| How to do async SQL bulk insertion with pandas dataFrame.to_sql() and SQLAlchemy? | 1 | 43 | 0 | False |
| Getting the product of 2 columns producing strange and incorrect answers | 1 | 16 | 1 | True |
| I am getting confuse in Pandas DataFrame creation | 1 | 30 | 2 | True |
| Query the non-nan value from a pivoted df | 1 | 37 | 3 | True |
| Created nested json from dataframe | 1 | 47 | 1 | True |
| How to use featuretools at the test time? | 1 | 30 | 0 | False |
| Cut intervals to add specific dates | 1 | 39 | 1 | True |
| Concatenate the rows of each column being grouped by identify | 1 | 43 | 1 | True |
| Calculate Null Values | 1 | 29 | 1 | True |
| pandas to_csv function changing 2d array to a single string | 1 | 27 | 1 | True |
| function to create a column with sub areas corresponding to areas in an already existing column | 1 | 37 | 1 | False |
| How to analyse a column with pandas that contains '-' [TypeError] | 1 | 60 | 2 | True |
| Finding Sequences In Column Values of Pandas Dataframe Groups and Doing Calculations Between A Row Of Each Group | 1 | 43 | 0 | False |
| Read the Excel "defined name" cell values using pandas | 2 | 43 | 2 | True |
| Rolling sum within 30 non-datetime days | 1 | 60 | 1 | True |
| Add a empty column in pandas df with multiindex adjacent to an existing column creates duplicates | 1 | 31 | 1 | False |
| Fill Pandas Dataframe asynchronously with async | 1 | 25 | 1 | True |
| How to pivot dataframe in python | 1 | 49 | 2 | True |
| I can't concatenate various dataframes in one, index problem | 1 | 51 | 1 | False |
| pandas ffill and bfill based on condition in another column | 1 | 33 | 1 | True |
| after connection broken by 'ReadTimeoutError("HTTPSConnectionPool(host='nominatim.openstreetmap.org', port=443): Read timed out. (read timeout=1)")' | 1 | 62 | 1 | True |
| How do I update the coordinates based on most recent datetime? | 1 | 31 | 1 | False |
| Groupby and only keep cells meeting specific condition | 1 | 28 | 2 | True |
| Pandas - MultiIndex resample - I don´t want to lose informations from other indexes | 1 | 39 | 1 | True |
| Problems with merge_asof in python | 1 | 20 | 1 | True |
| Pandas nunique() and DAX DISTINCTCOUNT() | 1 | 53 | 0 | False |
| Filter Groupby if contains specific values | 1 | 41 | 1 | True |
| remove spaces from pandas column if there are 2 or 3 | 1 | 33 | 1 | True |
| Cannot Convert Local CSV to dataframe in Pandas on Spyder | 1 | 29 | 1 | True |
| i'm trying to handle potential multicollinearity in a dataset using Ridge and Lasso regression | 1 | 13 | 0 | False |
| Pandas - stack multiindex header but exclude first column | 1 | 27 | 1 | True |
| How do I convert an object value to a str value in Pandas? | 1 | 44 | 1 | False |
| convert pandas dataframe columns to dictionary | 2 | 79 | 2 | True |
| pandas: how to aggregate records into rolling time windows at a given frequency? | 1 | 33 | 0 | False |
| Create a New Column Based on the Value of two Columns in Pandas with conditionals | 1 | 37 | 1 | True |
| How do I get all the xtick labels? | 1 | 25 | 1 | True |
| DuckDB pandas pass DataFrame by name easily with IntelliSense support | 1 | 41 | 1 | False |
| why does vs code returns error - AttributeError: 'int' object has no attribute 'where', but same code runs without any issue on Google Colab | 1 | 22 | 1 | True |
| Replace pandas column value based on condition and avoid "future warning" | 1 | 36 | 2 | True |
| Create a custom binary classifer sklearn | 1 | 17 | 1 | True |
| An appropriate strategy to load blocks to pandas dataframe with repeated elements | 1 | 37 | 2 | True |
| Multi-Level Header in Pandas DataFrame | 1 | 31 | 1 | True |
| How to customize the the size of the markers in seaborn scatter plot | 1 | 36 | 1 | True |
| mdates locators show non-existent time intervals in my graph | 1 | 56 | 2 | True |
| Python split a column value into multiple columns and keep remaining column same | 1 | 63 | 3 | True |
| See if pandas character column is in the string column | 1 | 74 | 3 | True |
| How to view histograms juxtaposed using matplotlib | 1 | 24 | 1 | True |
| spark parallelize fails with pickle error | 1 | 29 | 0 | False |
| How do I get the rolling proportion between multiple columns? | 1 | 44 | 2 | True |
| How to find the highest value for each day inside a specific time window in a Pandas DataFrame | 1 | 44 | 2 | True |
| How can I find the elapsed time from a specific date to now when using Pandas Timestamp in Python? | 1 | 38 | 1 | True |
| Push a dataframe on dynamodb without having duplicates errors | 1 | 37 | 1 | False |
| Why doesn't pandas groupby.diff use the grouping keys as index? | 1 | 49 | 1 | True |
| How to use one to calculate next row in a pandas dataframe? | 1 | 30 | 1 | True |
| data in pandas jumping to other cells | 1 | 25 | 0 | False |
| Pandas dataset from dynamic website scraping | 1 | 24 | 1 | False |
| How can I add the values for same groups until the second last index level of a nested Pandas dataframe | 1 | 42 | 1 | True |
| How to `pd.concat` nested dictionaries? | 1 | 30 | 1 | True |
| How to remove duplicates conditionally in this pandas dataframe? | 2 | 70 | 2 | True |
| Altair choropleth map doesn't display | 1 | 27 | 1 | True |
| pandas fillna based on condition from another dataframe | 1 | 11 | 0 | False |
| How to store Pandas DataFrame with Int64 to MS Access table | 1 | 39 | 0 | False |
| How to train a linear regression for each pandas dataframe row and generate the slope | 1 | 33 | 1 | True |
| Why pandas pivot_table count over a dataframe with 2 columns works with aggfunc=len, but results in empty dataset with count? | 3 | 126 | 1 | True |
| Python: Modifying Pandas DF rows that meets criteria | 1 | 70 | 2 | True |
Top Weekly Stackoverflow Pandas Questions
| Question | Score | Views | Answers | Answered |
|---|---|---|---|---|
| Pandas groupby equal consecutive column values based on index | 2 | 24 | 1 | True |
| Is there a way to get all values level by all level in a Pandas MultiIndex? | 1 | 52 | 3 | True |
| Calculate consecutive days in Python-pandas | 2 | 66 | 4 | True |
| When using scikit-learn fit, getting an error "Expected a 2-dimensional container but got <class 'pandas.core.series.Series'> instead." | 1 | 72 | 1 | False |
| Read the latest S3 parquet files partitioned by date key using Polars | 2 | 58 | 1 | True |
| Pandas merge and Apply or Assign function not working | 2 | 30 | 1 | True |
| Pandas aggregating hours in group by | 1 | 25 | 1 | True |
| How do I see which versions of packages are compatible with one another | 1 | 14 | 0 | False |
| Summing across columns in a block of a multi column dataframe pandas | 1 | 41 | 2 | True |
| Mapping to rename a single column label with a function? | 1 | 31 | 2 | True |
| Pythonic way to locate index and column of polars dataframe based on absolute sorted values | 3 | 13 | 1 | True |
| Create pandas dataframe column containing list of previous values | 2 | 37 | 2 | True |
| Getting the product of 2 columns producing strange and incorrect answers | 1 | 16 | 1 | True |
| I am getting confuse in Pandas DataFrame creation | 1 | 30 | 2 | True |
| Read the Excel "defined name" cell values using pandas | 2 | 43 | 2 | True |
| convert pandas dataframe columns to dictionary | 2 | 67 | 2 | True |
| Multi-Level Header in Pandas DataFrame | 1 | 31 | 1 | True |
| How to customize the the size of the markers in seaborn scatter plot | 1 | 35 | 1 | True |
| why does vs code returns error - AttributeError: 'int' object has no attribute 'where', but same code runs without any issue on Google Colab | 1 | 21 | 1 | True |
| Replace pandas column value based on condition and avoid "future warning" | 1 | 36 | 2 | True |
| How to find the highest value for each day inside a specific time window in a Pandas DataFrame | 1 | 43 | 2 | True |
| Why doesn't pandas groupby.diff use the grouping keys as index? | 1 | 49 | 1 | True |
| How to use one to calculate next row in a pandas dataframe? | 1 | 30 | 1 | True |
| How to remove duplicates conditionally in this pandas dataframe? | 2 | 69 | 2 | True |
| How to store Pandas DataFrame with Int64 to MS Access table | 1 | 38 | 0 | False |
| Why pandas pivot_table count over a dataframe with 2 columns works with aggfunc=len, but results in empty dataset with count? | 3 | 122 | 1 | True |
| Count Total Number of rows between two values when condition is met | 2 | 43 | 2 | True |
| Python openpyxl: Ignoring hidden rows and hidden columns while reading an excel file | 1 | 43 | 1 | False |
| How can I use pandas.DataFrame.to_csv to write pandas.Timestamp with milliseconds? | 1 | 31 | 1 | False |
| Restructuring DataFrame to match value with other column number | 1 | 38 | 3 | True |
| Replicate `df.expanding().min()` in polars | 2 | 44 | 2 | True |
| Count the number of business days between two columns in python (ideally using pandas) | 1 | 18 | 0 | False |
| Show the results of Cypher query with Pandas Dataframe | 1 | 7 | 0 | False |
| Python panda merge is not working as expected | 1 | 56 | 3 | True |
| Max value in range for each row in Pandas | 1 | 23 | 1 | True |
| trying to install cudf but cannot find a version that matches with pd what should be the version of pandas and cudf or where can i find the doc | 1 | 28 | 1 | True |
| when I get excel data of binary format from using requests.get() method, how can i get to know the number of sheets in the data? | 1 | 21 | 0 | False |
| Create suitable DataFrame for plotly plot | 2 | 44 | 2 | True |
| slicing pandas columns individually between first and last valid index | 1 | 27 | 1 | True |
| Pandas dataframe has JSON data in column, want to move all data in column to new dataframe | 1 | 40 | 1 | True |
| Construct pandas Dataframe from a dictionary | 1 | 48 | 4 | True |
| Multirow in pandas df - one header with multiple values | 3 | 48 | 2 | True |
| Unknown issue with Celery and Modin (Pandas), Task Execution stuck and no error | 1 | 18 | 0 | False |
| Sum column values by a cut off date | 2 | 38 | 1 | True |
| pandas read_sql using Django.db.connection | 1 | 25 | 1 | False |
| split-half reliability using Jensen-Shannon Divergence | 1 | 22 | 1 | True |
| Exact stratification of a pandas DataFrame using mutiple columns | 1 | 56 | 1 | True |
| How do I transform the dataset for the problem posted? | 1 | 35 | 1 | True |
| how do i extract the multiple pattern in a column value and put it in new dataframe | 2 | 33 | 1 | True |
| Plot year over year data with month-date on X axis | 1 | 28 | 1 | True |
Top Daily Stackoverflow Pandas Questions
| Question | Score | Views | Answers | Answered |
|---|---|---|---|---|
| Pandas groupby equal consecutive column values based on index | 2 | 24 | 1 | True |
| Is there a way to get all values level by all level in a Pandas MultiIndex? | 1 | 52 | 3 | True |
| Calculate consecutive days in Python-pandas | 2 | 65 | 4 | True |
| Read the latest S3 parquet files partitioned by date key using Polars | 2 | 42 | 1 | True |
| Pandas merge and Apply or Assign function not working | 2 | 27 | 1 | True |
| Pandas aggregating hours in group by | 1 | 22 | 1 | True |
| Mapping to rename a single column label with a function? | 1 | 26 | 2 | True |
| Summing across columns in a block of a multi column dataframe pandas | 1 | 35 | 2 | True |
| Pythonic way to locate index and column of polars dataframe based on absolute sorted values | 3 | 13 | 1 | True |
| Create pandas dataframe column containing list of previous values | 1 | 30 | 2 | True |
| Getting the product of 2 columns producing strange and incorrect answers | 1 | 16 | 1 | True |
| I am getting confuse in Pandas DataFrame creation | 1 | 28 | 2 | True |
| Read the Excel "defined name" cell values using pandas | 2 | 37 | 2 | True |
| convert pandas dataframe columns to dictionary | 2 | 51 | 2 | True |
| why does vs code returns error - AttributeError: 'int' object has no attribute 'where', but same code runs without any issue on Google Colab | 1 | 19 | 1 | True |
| Replace pandas column value based on condition and avoid "future warning" | 1 | 26 | 2 | True |
| Multi-Level Header in Pandas DataFrame | 1 | 26 | 1 | True |
| How to use one to calculate next row in a pandas dataframe? | 1 | 28 | 1 | True |
| Why doesn't pandas groupby.diff use the grouping keys as index? | 1 | 45 | 1 | True |
| How to remove duplicates conditionally in this pandas dataframe? | 2 | 46 | 2 | False |
| Why pandas pivot_table count over a dataframe with 2 columns works with aggfunc=len, but results in empty dataset with count? | 2 | 68 | 1 | False |
| Count Total Number of rows between two values when condition is met | 2 | 34 | 2 | True |
| How can I use pandas.DataFrame.to_csv to write pandas.Timestamp with milliseconds? | 1 | 29 | 1 | False |
| How Can I Reorganize my Pandas DataFrame so that column names become column values? | 1 | 17 | 1 | True |
| Python openpyxl: Ignoring hidden rows and hidden columns while reading an excel file | 1 | 29 | 1 | False |
| Restructuring DataFrame to match value with other column number | 1 | 29 | 3 | True |
| Replicate `df.expanding().min()` in polars | 2 | 40 | 2 | True |
| Count the number of business days between two columns in python (ideally using pandas) | 1 | 15 | 0 | False |
| trying to install cudf but cannot find a version that matches with pd what should be the version of pandas and cudf or where can i find the doc | 1 | 17 | 1 | True |
| when I get excel data of binary format from using requests.get() method, how can i get to know the number of sheets in the data? | 1 | 17 | 0 | False |
| Max value in range for each row in Pandas | 1 | 21 | 1 | True |
| Show the results of Cypher query with Pandas Dataframe | 1 | 7 | 0 | False |
| Python panda merge is not working as expected | 1 | 51 | 3 | True |
| Create suitable DataFrame for plotly plot | 2 | 38 | 2 | True |
| Pandas dataframe has JSON data in column, want to move all data in column to new dataframe | 1 | 35 | 1 | True |
| slicing pandas columns individually between first and last valid index | 1 | 25 | 1 | True |
| Construct pandas Dataframe from a dictionary | 1 | 43 | 4 | True |
| Multirow in pandas df - one header with multiple values | 2 | 36 | 2 | True |
| Unknown issue with Celery and Modin (Pandas), Task Execution stuck and no error | 1 | 11 | 0 | False |
| Sum column values by a cut off date | 2 | 32 | 1 | True |
| How do I transform the dataset for the problem posted? | 1 | 32 | 1 | True |
| split-half reliability using Jensen-Shannon Divergence | 1 | 16 | 1 | False |
| pandas read_sql using Django.db.connection | 1 | 15 | 1 | False |
| how do i extract the multiple pattern in a column value and put it in new dataframe | 2 | 31 | 1 | True |
| Plot year over year data with month-date on X axis | 1 | 25 | 1 | True |
| Why am I getting "Mean of empty slice" warnings without NaNs? | 2 | 43 | 2 | True |
| Rolling compare using Pandas | 1 | 26 | 1 | True |
| Check all records in a pandas group specific column make up a predefined list of expected values | 1 | 28 | 2 | True |
| I want to read a csv file with pandas, I want to skip rows but I want to keep the original line numbers | 2 | 34 | 3 | False |
| Create an order column in a pandas dataframe based on one date column relative to another date column | 1 | 50 | 2 | True |
Top Yearly Stackoverflow Pandas Questions
| Question | Score | Views | Answers | Answered |
|---|---|---|---|---|
| as_index=False groupBy doesn't work with count | 2 | 56 | 3 | True |
| How to preserve order of columns when concatenating Multi-Indexed dataframes? | 3 | 42 | 2 | True |
| Skip level in nested JSON and convert to Pandas dataframe | 2 | 41 | 2 | True |
| Python - Converting Date:Price list to new rows | 2 | 46 | 2 | True |
| How do I update a dataframe column with a formula that uses values from other columns? | 3 | 31 | 2 | True |
| Create pandas dataframe column containing list of previous values | 2 | 37 | 2 | True |
| Pythonic way to locate index and column of polars dataframe based on absolute sorted values | 3 | 13 | 1 | True |
| Perform Excel MAXIFS in Pandas | 2 | 191 | 3 | True |
| How to handle inf and nans in Great Table | 3 | 25 | 1 | True |
| What's the polars equivalent to the pandas `.iloc` method? | 3 | 947 | 2 | True |
| How to Populate Null Values in Columns After Outer Join in Python Pandas | 3 | 39 | 1 | True |
| Pandas nunique() and DAX DISTINCTCOUNT() | 3 | 22 | 1 | False |
| Check if Name row above is the same and add conditions to it | 2 | 46 | 3 | True |
| What is a fast an elegant way to transform a column with a bunch a duplicated, without running the transformation on the same value multiple times | 3 | 53 | 1 | True |
| BeautifulSoup-scraper runs well and robust some times - but otherwhile it fails :: probably some more exception-handling needed here? | 2 | 166 | 2 | True |
| How to find the indices of matching rows between 2 data frames | 2 | 57 | 3 | True |
| Seaborn futurewarning caused by pandas dataframe | 3 | 1759 | 1 | True |
| How to reverse the value of column in a dataframe? | 3 | 32 | 1 | True |
| How to fix pandas v2 "ValueError: Cannot convert from timedelta64[ns] to timedelta64[D]." | 2 | 3234 | 2 | True |
| add subtotal column by condition | 2 | 75 | 4 | True |
| Why pandas pivot_table count over a dataframe with 2 columns works with aggfunc=len, but results in empty dataset with count? | 3 | 126 | 1 | True |
| How does `pandas.concat` work when the input is a dictionary? | 3 | 58 | 2 | True |
| Why does `.rename(columns={'b': 'b'}, copy=False)` followed by inplace method not update the original dataframe? | 3 | 122 | 2 | True |
| OpenStreetMap: concatenate a request into a loop that iterates over each 3166 country code, parse response into DF with Python | 3 | 44 | 1 | True |
| calculate std for Pandas DataFrame grouped by object data type column | 3 | 39 | 2 | True |
| Formatting a Numbers in DataFrame | 2 | 68 | 1 | True |
| Polars Expressions Failed to Access Imtermediate Column Creation Expressions | 3 | 61 | 2 | True |
| How to get the index of the first row that meets the conditions of a mask? | 3 | 77 | 4 | True |
| How to Improve Efficiency in Random Column Selection and Assignment in Pandas DataFrame? | 3 | 45 | 1 | True |
| How to generate the section id based on certain condition | 3 | 48 | 1 | True |
| How could I get a value out of a pandas DataFrame with a shape of (1,1) without using .to_list()[0]? | 2 | 40 | 2 | True |
| Storing data in cells as a function | 3 | 64 | 1 | False |
| Fill bins with no coverage with 0 | 4 | 60 | 1 | True |
| BeatuifulSoup fetch data and parse - from European Volunteering-Services: a tiny scraper that collects opportunities from EU-Site | 3 | 57 | 1 | True |
| Using either melt or wide_to_long for large dataset with inconsistent naming | 3 | 53 | 2 | True |
| Expand unique values of a column into multiple columns, for X columns in a DataFrame | 2 | 84 | 3 | True |
| How to get the number of the row that contains a specific value in the given column? | 4 | 72 | 3 | True |
| In a dataframe, how can i find if each row number appears in a column of lists? | 3 | 66 | 4 | True |
| Multirow in pandas df - one header with multiple values | 3 | 49 | 2 | True |
| Pandas with pyarrow does not use additional memory when splitting dataframe | 3 | 44 | 1 | True |
| Pandas dataframe title/caption in plain text to_string output? | 3 | 89 | 2 | True |
| Pandas: make list size in a column same as in another column | 4 | 64 | 2 | True |
| Break/wrap long text of column names in Pandas dataframe plain text to_string output? | 3 | 87 | 2 | True |
| How to add plus sign for positive number when using to_excel? | 2 | 68 | 2 | True |
| Groupby as list into new column | 2 | 52 | 4 | True |
| SparkConnectGrpcException while working with Dataframe | 4 | 159 | 0 | False |
| pyarrow Table adds column '__index_level_0__' | 3 | 51 | 2 | True |
| Pandas: Filter dataframe by difference between adjacent rows | 3 | 52 | 1 | True |
| How to calculate day difference between rows with specific conditions in Pandas | 2 | 55 | 2 | True |
| Renaming Panda Dataframe indexes | 2 | 40 | 2 | True |