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Pull requests: pandas-dev/pandas
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ENH: support downcasting of nullable EAs in pd.to_numeric ExtensionArray Extending pandas with custom dtypes or arrays. NA - MaskedArrays Related to pd.NA and nullable extension arrays Numeric Operations Arithmetic, Comparison, and Logical operations
BUG: Slice Arrow buffer before passing it to numpy (#40896) ExtensionArray Extending pandas with custom dtypes or arrays. IO Parquet parquet, feather
ENH/BUG: implement __iter__ for IntegerArray so conversions (to_dict, tolist, etc.) return python native types Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Stale
#37377 by arw2019 was closed Feb 11, 2021 Loading…
5 of 6 tasks
BUG: Fix concat of frames with extension types (no reindexed columns) Bug ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Update type for PeriodDtype / DatetimeTZDtype / IntervalDtype Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: preserve categorical & sparse types when grouping / pivot & preserve dtypes on ufuncs Bug Categorical Categorical Data Type ExtensionArray Extending pandas with custom dtypes or arrays. Groupby Sparse Sparse Data Type
BUG/TST: ensure groupby.agg preserves extension dtype ExtensionArray Extending pandas with custom dtypes or arrays. Groupby
BUG: fix Series(extension array) + extension array values addition Bug ExtensionArray Extending pandas with custom dtypes or arrays.
API: add EA._from_scalars / stricter casting of result values back to EA dtype API Design ExtensionArray Extending pandas with custom dtypes or arrays. Stale
#38315 by jorisvandenbossche was closed Feb 22, 2023 • Draft
2 tasks
PERF: axis=1 reductions with EA dtypes ExtensionArray Extending pandas with custom dtypes or arrays. Performance Memory or execution speed performance Reduction Operations sum, mean, min, max, etc.
API: Infer extension types in array Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
ENH: Implement StringArray.min / max Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
BUG: instantiation using a dict with a period scalar Bug Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Period Period data type
BUG: use EA.astype in ExtensionBlock.to_native_types Bug ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: Fix replacing in Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
string series with NA (pandas-dev#32621) Bug ExtensionArray ENH: Infer integer-na in infer_dtype Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG GH23744 ufuncs on DataFrame keeps dtype sparseness ExtensionArray Extending pandas with custom dtypes or arrays. Sparse Sparse Data Type
BUG: to_datetime with unit with Int64 Datetime Datetime data dtype ExtensionArray Extending pandas with custom dtypes or arrays.
TST: base test for ExtensionArray.astype to its own type + copy keyword ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
ENH: Implement rounding for floating dtype array #38844 Enhancement ExtensionArray Extending pandas with custom dtypes or arrays.
ENH: Implement unary operators for FloatingArray class Enhancement ExtensionArray Extending pandas with custom dtypes or arrays.
TST: add tests for take() on empty arrays Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: Cast ExtensionArray to numpy ndarray before plot ExtensionArray Extending pandas with custom dtypes or arrays. Visualization plotting
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