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Pull requests: pandas-dev/pandas
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BUG: Preserve string dtype in extract ExtensionArray Extending pandas with custom dtypes or arrays. Strings String extension data type and string data
BUG: Handle nested arrays in array_equivalent_object ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
IntegerArray.to_numpy API - Consistency Internal Consistency of API/Behavior ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: listlike comparisons for DTA and TDA ExtensionArray Extending pandas with custom dtypes or arrays.
REF: move EA wrapping/unwrapping to indexes.extensions ExtensionArray Extending pandas with custom dtypes or arrays. Index Related to the Index class or subclasses
REF: implement indexes.extension to share delegation ExtensionArray Extending pandas with custom dtypes or arrays. Index Related to the Index class or subclasses
TST: Adding test to concat where copy=False for ExtensionArrays ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
BUG: pass 2D ndarray and EA-dtype to DataFrame, closes #12513 Bug Constructors Series/DataFrame/Index/pd.array Constructors ExtensionArray Extending pandas with custom dtypes or arrays.
ENH: add ExtensionArray.to_numpy to have control over conversion to numpy array ExtensionArray Extending pandas with custom dtypes or arrays.
TST: add test for Series.item backed with ExtensionArray ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
BUG: DataFrame constructor raised ValueError with list-like data and … Constructors Series/DataFrame/Index/pd.array Constructors ExtensionArray Extending pandas with custom dtypes or arrays.
Implement NA.__array_ufunc__ ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Numeric Operations Arithmetic, Comparison, and Logical operations
API: Return BoolArray for string ops when backed by StringArray API Design Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
Fixed IntegerArray division by 0 ExtensionArray Extending pandas with custom dtypes or arrays. Numeric Operations Arithmetic, Comparison, and Logical operations
PERF: improve conversion to BooleanArray from int/float array ExtensionArray Extending pandas with custom dtypes or arrays. Performance Memory or execution speed performance
BUG: preserve EA dtype in transpose ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG/TST: fix arrow roundtrip / parquet tests for recent pyarrow Bug ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
API: Uses pd.NA in IntegerArray API Design Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
Use new NA scalar in BooleanArray ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: Index.get_value implementation for ExtensionArray ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves
ENH: Implement Kleene logic for BooleanArray ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
API: Infer extension types in array Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
ENH: Support arrow/parquet roundtrip for nullable integer / string extension dtypes Compat pandas objects compatability with Numpy or Python functions ExtensionArray Extending pandas with custom dtypes or arrays. IO Parquet parquet, feather
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