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Pull requests: pandas-dev/pandas
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REF: Make PeriodArray an ExtensionArray ExtensionArray Extending pandas with custom dtypes or arrays. Period Period data type
SparseArray is an ExtensionArray API Design ExtensionArray Extending pandas with custom dtypes or arrays. Sparse Sparse Data Type
ENH: Allow storing ExtensionArrays in containers Dtype Conversions Unexpected or buggy dtype conversions Enhancement Internals Related to non-user accessible pandas implementation
#19520 by TomAugspurger was merged Feb 23, 2018 Loading…
New Interval / IntervalIndex behavior spec Interval Interval data type Testing pandas testing functions or related to the test suite
API: str.cat will align on Series API Design Strings String extension data type and string data
#20347 by h-vetinari was merged May 2, 2018 Loading…
ENH: Support ExtensionArray operators via a mixin ExtensionArray Extending pandas with custom dtypes or arrays.
ENH - Index set operation modifications to address issue #23525 API Design Dtype Conversions Unexpected or buggy dtype conversions Indexing Related to indexing on series/frames, not to indexes themselves Period Period data type
Array Interface and Categorical internals Refactor Enhancement Internals Related to non-user accessible pandas implementation
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
PERF: cythonizing _concat_date_cols; conversion to float without exceptions in _does_string_look_like_datetime Datetime Datetime data dtype Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Performance Memory or execution speed performance
ENH: Added to_json_schema Dtype Conversions Unexpected or buggy dtype conversions Enhancement IO Data IO issues that don't fit into a more specific label
Categorical type Categorical Categorical Data Type Dtype Conversions Unexpected or buggy dtype conversions
Add chunksize param to read_json when lines=True IO JSON read_json, to_json, json_normalize Performance Memory or execution speed performance
ENH: better MultiIndex.__repr__ Enhancement MultiIndex Output-Formatting __repr__ of pandas objects, to_string
ENH: add to/from_parquet with pyarrow & fastparquet Enhancement IO Data IO issues that don't fit into a more specific label IO Parquet parquet, feather
REF: codes-based MultiIndex engine Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
Set pd.options.display.max_columns=0 by default Output-Formatting __repr__ of pandas objects, to_string
TST: restructure internal extension arrays tests (split between /arrays and /extension) ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
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