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Pull requests: pandas-dev/pandas
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ENH: Integer NA Extension Array Dtype Conversions Unexpected or buggy dtype conversions Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
ENH add fill_value feature to pd.get_dummies Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#15926 by beckermr was closed Aug 1, 2017 Loading…
4 tasks done
BUG: Index.get_indexer_non_unique misbehaves with multiple nan Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
API: allow nan-likes in StringArray constructor ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Strings String extension data type and string data
#41412 by lithomas1 was closed Apr 24, 2022 Loading…
4 tasks done
FIX: fix interpolate with kwarg limit area and limit direction using pad or bfill Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#31048 by cchwala was closed Nov 27, 2020 Loading…
5 tasks done
Fix #25099 set na_rep values before converting to string to prevent data truncation Bug ExtensionArray Extending pandas with custom dtypes or arrays. IO CSV read_csv, to_csv Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Output-Formatting __repr__ of pandas objects, to_string
Series pct_change fill_method behavior API Design Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#25291 by albertvillanova was closed Sep 20, 2019 Loading…
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…
17 of 36 tasks
EA: fillna should accept same type #32414 ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Stale Testing pandas testing functions or related to the test suite
#43230 by Bhavay-2001 was closed Jan 16, 2022 Loading…
1 task done
Bugfix for constructing empty Series, with index, using ExtensionDtyp… Bug ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
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…
2 of 4 tasks
ENH: Added max_gap keyword for series.interpolate API Design Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#25141 by cchwala was closed Jul 29, 2020 Loading…
4 tasks done
ENH: interpolate.limit_area() 16284 Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
ENH: Provide an errors parameter to fillna Error Reporting Incorrect or improved errors from pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#15653 by ResidentMario was closed Aug 17, 2017 Loading…
4 tasks
(wip) BUG: replacing one column's values was changing other columns' dtypes Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#31216 by MarcoGorelli was closed Jul 26, 2020 • Draft
5 tasks done
Astype keeps nan when converting into string Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#28176 by makbigc was closed May 8, 2020 Loading…
BUG: CategoricalIndex.get_indexer issue with NaNs (#45361) Categorical Categorical Data Type Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#45373 by Shashank-Shet was merged Jan 28, 2022 Loading…
2 of 4 tasks
PDEP-11: Change default of dropna to False Deprecate Functionality to remove in pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate PDEP pandas enhancement proposal Stale
#53094 by rhshadrach was closed Jun 8, 2025 Loading…
TST: corrwith and tshift in groupby/groupby.transform Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite
#32069 by ryankarlos was closed Mar 3, 2020 Loading…
4 tasks done
BUG: #47350 if else added to add NaT for missing time values Datetime Datetime data dtype Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#47647 by hamedgibago was closed Oct 31, 2022 Loading…
Fix GroupBy nth Handling with Observed=False Categorical Categorical Data Type Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
ENH: standardize fill_value behavior across the API Error Reporting Incorrect or improved errors from pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#15587 by ResidentMario was closed Mar 11, 2017 Loading…
4 tasks
DOC: update the pandas.Series.dropna and pandas.DataFrame.dropna docstring Docs Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#20204 by datadonK23 was merged Mar 16, 2018 Loading…
4 of 5 tasks
DOC: update the pandas.DataFrame.replace docstring Docs Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#20271 by math-and-data was merged Apr 22, 2018 Loading…
3 of 5 tasks
ENH:column-wise DataFrame.fillna and duplicated DataFrame.fillna with Series and Dict Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Stale
#30922 by proost was closed Dec 8, 2020 Loading…
5 tasks done
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