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Pull requests: pandas-dev/pandas
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[ArrowStringArray] Use Memory or execution speed performance Strings String extension data type and string data
utf8_is_* functions from Apache Arrow if available Performance TST: [ArrowStringArray] more parameterised testing - part 2 Strings String extension data type and string data Testing pandas testing functions or related to the test suite
BUG(string dtype): groupby/resampler.min/max returns float on all NA strings Bug Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reduction Operations sum, mean, min, max, etc. Strings String extension data type and string data
ENH: Series.str.split can return a DataFrame instead of Series of lists API Design Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode Strings String extension data type and string data
ENH: improve extract and get_dummies methods for Index.str (fix for #9980) API Design Strings String extension data type and string data
DOC: Improve the docstring of Str.contains() Docs Strings String extension data type and string data
String dtype: use ObjectEngine for indexing for now correctness over performance Indexing Related to indexing on series/frames, not to indexes themselves Strings String extension data type and string data
String dtype: propagate NaNs as False in predicate methods (eg .str.startswith) API Design backported Strings String extension data type and string data
BUG: Handle zero-chunked pyarrow.ChunkedArray in StringArray Bug IO Parquet parquet, feather Strings String extension data type and string data
[ArrowStringArray] implement ArrowStringArray._str_contains Performance Memory or execution speed performance Strings String extension data type and string data
DOC: update the Series.str.ismethods docstring Docs Strings String extension data type and string data
#20913 by MrKriss was merged Jul 22, 2018 Loading…
2 of 4 tasks
DOC: fix return type of str.extract Docs Strings String extension data type and string data
#22562 by zhujun98 was merged Sep 3, 2018 Loading…
1 of 4 tasks
Fix: StringArray non-extensible due to inconsisent assertion ExtensionArray Extending pandas with custom dtypes or arrays. Stale Strings String extension data type and string data
#34310 by sbrugman was closed Dec 3, 2020 Loading…
5 tasks done
Change in astype leads to no longer casting to numpy string dtypes Dtype Conversions Unexpected or buggy dtype conversions Stale Strings String extension data type and string data
#39945 by phofl was closed Jun 16, 2021 Loading…
4 tasks done
API/BUG: Fix is_string_dtype and make more strict Dtype Conversions Unexpected or buggy dtype conversions Strings String extension data type and string data
#49378 by mroeschke was merged Nov 3, 2022 Loading…
4 of 5 tasks
API: change default behaviour of str.match from deprecated extract to match (GH5224) Deprecate Functionality to remove in pandas Strings String extension data type and string data
DOC: update the pandas.Series.str.slice_replace docstring Docs Strings String extension data type and string data
Faster ensure_string_array Performance Memory or execution speed performance Strings String extension data type and string data
String dtype: fix pyarrow-based IO + update tests backported IO Parquet parquet, feather Strings String extension data type and string data
ENH: Add dtype argument to str.decode Enhancement Strings String extension data type and string data
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