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Pull requests: pandas-dev/pandas
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ENH: add arrow engine to read_csv Enhancement IO CSV read_csv, to_csv Performance Memory or execution speed performance Stale
#31817 by lithomas1 was closed Dec 8, 2020 Loading…
4 of 5 tasks
PDEP-13: Deprecate the apply method on Series and DataFrame and make the agg and transform methods operate on series data PDEP pandas enhancement proposal Stale
#54747 by topper-123 was closed Apr 23, 2024 Loading…
ENH/PERF: enable column-wise reductions for EA-backed columns ExtensionArray Extending pandas with custom dtypes or arrays. Numeric Operations Arithmetic, Comparison, and Logical operations Performance Memory or execution speed performance Stale
#32867 by jorisvandenbossche was closed Jun 16, 2021 Loading…
ENH: Add calamite engine to Required and optional dependencies Enhancement IO Excel read_excel, to_excel Stale
read_excel Dependencies #50581 by kostyafarber was closed May 15, 2023 Loading…
4 of 5 tasks
BUG: Bug in loc did not change dtype when complete column was assigned Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves Stale
#37749 by phofl was closed Jun 16, 2021 Loading…
8 tasks done
REGR: be able to read Stata files without reading them fully into memory IO Stata read_stata, to_stata Performance Memory or execution speed performance Stale
Add 'color' and 'size' to arguments API - Consistency Internal Consistency of API/Behavior Stale Visualization plotting
Value counts normalize Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Groupby Stale
#33652 by DataInformer was closed Jun 16, 2021 Loading…
6 tasks done
Categorical.(get|from)_dummies Categorical Categorical Data Type Enhancement Stale
#34426 by clbarnes was closed Mar 21, 2021 Loading…
5 tasks done
Deprecate groupby/pivot observed=False default Categorical Categorical Data Type Deprecate Functionality to remove in pandas Needs Discussion Requires discussion from core team before further action Stale
#35967 by jseabold was closed Jul 11, 2021 Loading…
5 tasks done
ENH: IO support for R data files with C extension Enhancement IO Data IO issues that don't fit into a more specific label Stale
#41386 by ParfaitG was closed Aug 18, 2021 Loading…
5 tasks done
BUG: Breaking change to offsets.pyx - quarter offset classes Frequency DateOffsets Stale
#39890 by Pawel-Kranzberg was closed Aug 17, 2021 • Draft
2 of 4 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
PERF: fix #32976 slow group by for categorical columns Categorical Categorical Data Type Performance Memory or execution speed performance Stale
#33739 by rtlee9 was closed Nov 6, 2020 Loading…
5 tasks done
Fix multiindex loc nan Bug Groupby MultiIndex Stale
#43943 by CloseChoice was closed Feb 13, 2022 Loading…
4 tasks done
ENH:included anti join functionality Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode Stale
#43056 by debnathshoham was closed Feb 13, 2022 Loading…
3 of 4 tasks
[WIP] ENH: add Pyarrow csv engine Enhancement IO CSV read_csv, to_csv Performance Memory or execution speed performance Stale
#38370 by arw2019 was closed Jun 8, 2021 Loading…
5 tasks done
Support writing/reading notes to/from excel files Stale
#58831 by diogomsmiranda was closed Sep 14, 2024 Loading…
5 tasks done
[WIP] Test (and more fixes) for duplicate indices with concat Error Reporting Incorrect or improved errors from pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode Stale
#38745 by ivirshup was closed May 24, 2021 Loading…
9 tasks
BUG: Dtype was not changed when float was assignt to int column Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves Stale
#37680 by phofl was closed Jun 16, 2021 Loading…
6 tasks done
API: Honor copy for dict-input in DataFrame API Design Constructors Series/DataFrame/Index/pd.array Constructors DataFrame DataFrame data structure Stale
Add HTML repr for groupby dataframe and series Groupby IO HTML read_html, to_html, Styler.apply, Styler.applymap Output-Formatting __repr__ of pandas objects, to_string Stale
#34926 by JulianWgs was closed Nov 28, 2021 Loading…
7 of 10 tasks
BUG:#29928 Fix to_json output 'table' orient for single level MultiIndex. IO JSON read_json, to_json, json_normalize MultiIndex Stale
#34375 by LucasG0 was closed Feb 11, 2021 Loading…
5 tasks done
ENH: pd.Series.shift and .diff to accept a collection of numbers Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode Stale
#44660 by skwirskj was closed Jan 16, 2022 Loading…
4 tasks done
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