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Pull requests: pandas-dev/pandas
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BUG: fix SeriesGroupBy.plot does not respect cmap parameter Bug Groupby Stale Visualization plotting
#62671 by zhuoyahuang was closed Nov 19, 2025 Loading… updated Nov 19, 2025
2 of 5 tasks
BUG: Fix scatter plot colors in groupby context to match line plot behavior (#59846) Bug Groupby Stale Visualization plotting
#61233 by myenugula was closed Jul 28, 2025 Loading… updated Jul 28, 2025
5 tasks done
BUG: resample method Stale
groupby then resample on column gives incorrect results if the index is out of order Bug Groupby Resample #59408 by aram-cedarwood was closed Apr 15, 2025 Loading… updated Apr 15, 2025
4 of 5 tasks
ENH: Enabled skipna argument on groupby reduction ops #15675 Groupby Stale
#58844 by andremcorreia was closed Sep 9, 2024 Loading… updated Sep 9, 2024
5 tasks done
DOC: Improve sort parameter doc of DataFrameGroupBy.value_counts Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Docs Groupby
#59412 by KevsterAmp was closed Sep 7, 2024 Loading… updated Sep 7, 2024
5 tasks done
Enh/group by.transform should accept similar arguments to group by.agg Apply Apply, Aggregate, Transform, Map Groupby
#58773 by abeltavares was closed Jun 26, 2024 Loading… updated Jun 26, 2024
5 tasks done
BUG 58031 -- groupby aggregate dtype consistency Apply Apply, Aggregate, Transform, Map Dtype Conversions Unexpected or buggy dtype conversions Groupby Stale
#58258 by longovin was closed Jun 3, 2024 Loading… updated Jun 3, 2024
5 tasks
TST: Add test groupby transform no column Groupby Needs Tests Unit test(s) needed to prevent regressions Stale Transformations e.g. cumsum, diff, rank
#56935 by DevpriyaDave was closed Feb 28, 2024 • Draft updated Feb 28, 2024
2 of 5 tasks
BUG/ENH: Use pyarrow grouped aggregation functions for pyarrow-backed groupby ops Arrow pyarrow functionality Bug Groupby
BUG: Fix BaseWindowGroupby.aggregate where as_index is ignored Apply Apply, Aggregate, Transform, Map Groupby Window rolling, ewma, expanding
#54973 by ihsansecer was closed Sep 16, 2023 Loading… updated Sep 16, 2023
4 of 5 tasks
BUG: DatetimeIndexResamplerGroupby as_index interaction with .agg() Bug Groupby Stale
#52819 by szczekulskij was closed Jun 20, 2023 Loading… updated Jun 20, 2023
5 tasks done
TST: Add test_groupby_std_on_nullable_column. ExtensionArray Extending pandas with custom dtypes or arrays. Groupby
#38883 by GabrielSimonetto was closed Jan 3, 2021 Loading… updated May 11, 2023
4 of 5 tasks
skipna added to groupby numeric ops Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#15772 by mayukh18 was closed Oct 28, 2017 Loading… updated May 11, 2023
2 of 4 tasks
WIP: ENH: pivot/groupby index with nan Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#12607 by nbonnotte was closed Jul 26, 2017 Loading… updated May 11, 2023
17 of 36 tasks
TST: add test to check numeric precision GH33234 Dtype Conversions Unexpected or buggy dtype conversions Groupby Stale Testing pandas testing functions or related to the test suite
DEPR: Remove unnecessary kwargs in groupby ops Deprecate Functionality to remove in pandas Groupby Stale
#50483 by ramvikrams was closed Feb 11, 2023 Loading… updated Feb 11, 2023
2 of 5 tasks
PERF: Improve SeriesGroupBy.value_counts performances with categorical values. Groupby Performance Memory or execution speed performance Stale
#46940 by LucasG0 was closed Aug 1, 2022 Loading… updated Aug 1, 2022
3 of 4 tasks
return nan on empty groups Apply Apply, Aggregate, Transform, Map Bug Groupby Stale
#46506 by eytanohana was closed May 24, 2022 Loading… updated May 24, 2022
1 task
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