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Pull requests: pandas-dev/pandas
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implement+test mean for datetimelike EA/Index/Series Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Datetime Datetime data dtype ExtensionArray Extending pandas with custom dtypes or arrays. Testing pandas testing functions or related to the test suite
API: ExtensionArray.argsort places the missing value at the end API Design ExtensionArray Extending pandas with custom dtypes or arrays.
#26354 by makbigc was closed Jun 30, 2019 Loading… updated Jun 30, 2019
[WIP]: API ExtensionDtype for DTA & TDA Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
#24674 by TomAugspurger was closed Jul 29, 2019 Loading… updated Jul 29, 2019
4 tasks
REF: use should_extension_dispatch for comparison method ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: allow None as upcasted_na value ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#20851 by jorisvandenbossche was closed Aug 28, 2019 Loading… updated Aug 28, 2019
ENH: Implement EA unary ops ExtensionArray Extending pandas with custom dtypes or arrays. Numeric Operations Arithmetic, Comparison, and Logical operations
#23313 by sinhrks was closed Aug 28, 2019 Loading… updated Aug 28, 2019
10 tasks done
REF: remove special-casing for internal EAs from format_array ExtensionArray Extending pandas with custom dtypes or arrays. Output-Formatting __repr__ of pandas objects, to_string
#26965 by simonjayhawkins was closed Aug 28, 2019 Loading… updated Aug 28, 2019
3 tasks
Fix #25099 set na_rep values before converting to string to prevent data truncation Bug ExtensionArray Extending pandas with custom dtypes or arrays. IO CSV read_csv, to_csv Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Output-Formatting __repr__ of pandas objects, to_string
Added try-except clause to catch numpy error. Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
#27970 by dustanlevenstein was closed Oct 3, 2019 Loading… updated Oct 3, 2019
1 of 5 tasks
BUG/TST: ensure groupby.agg preserves extension dtype ExtensionArray Extending pandas with custom dtypes or arrays. Groupby
TST: fix DecimalArray._reduce kludges Dtype Conversions Unexpected or buggy dtype conversions ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: Fix comparison between nullable int and string Bug ExtensionArray Extending pandas with custom dtypes or arrays.
StringArray comparisions return BooleanArray API Design ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#30231 by TomAugspurger was merged Dec 18, 2019 Loading… updated Dec 18, 2019
BUG: to_datetime with unit with Int64 Datetime Datetime data dtype ExtensionArray Extending pandas with custom dtypes or arrays.
API: Disallow NaN in StringArray constructor ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Strings String extension data type and string data
WIP: Maintain Int64 Precision on Construction ExtensionArray Extending pandas with custom dtypes or arrays.
#26272 by WillAyd was closed Jul 11, 2019 Loading… updated Jan 16, 2020
2 of 4 tasks
ENH: Handle extension arrays in algorithms.diff Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff ExtensionArray Extending pandas with custom dtypes or arrays.
BUG30787 fixed unexpected behaviour by removing nullable values Bug ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#30920 by alagappan97 was closed Feb 12, 2020 Loading… updated Feb 12, 2020
BUG: regression when applying groupby aggregation on categorical columns ExtensionArray Extending pandas with custom dtypes or arrays. Groupby
BUG: retain extension dtypes in transpose ExtensionArray Extending pandas with custom dtypes or arrays. Reshaping Concat, Merge/Join, Stack/Unstack, Explode
BUG: value_counts not working correctly on ExtensionArrays ExtensionArray Extending pandas with custom dtypes or arrays. Numeric Operations Arithmetic, Comparison, and Logical operations Testing pandas testing functions or related to the test suite
BUG: Allow plain bools in ExtensionArray.equals Bug ExtensionArray Extending pandas with custom dtypes or arrays.
BUG: preserve freq in DTI/TDI factorize ExtensionArray Extending pandas with custom dtypes or arrays. Frequency DateOffsets Mothballed Temporarily-closed PR the author plans to return to
#33836 by jbrockmendel was closed Jun 11, 2020 Loading… updated Jun 11, 2020
3 of 5 tasks
ProTip! Updated in the last three days: updated:>2025-11-27.