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BUG: Take method of NumpyExtensionArray now returns another extension array with the correct dtype. Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug ExtensionArray Extending pandas with custom dtypes or arrays.
#62502 by aijams was merged Nov 16, 2025 Loading…
5 tasks done
BUG: Fixed TypeError for Series.isin() when large series and values contains NA (#60678) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Backport PR #60701 on branch 2.3.x (TST(str dtype): Resolve xfail in test_value_counts.py) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Strings String extension data type and string data Testing pandas testing functions or related to the test suite
ENH: Enable .mode to sort with NA values Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement Needs Discussion Requires discussion from core team before further action
TST(str dtype): Resolve xfail in test_value_counts.py Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Strings String extension data type and string data Testing pandas testing functions or related to the test suite
BUG: value_counts() check Index with PyArrow categorical columns Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Arrow pyarrow functionality Bug Categorical Categorical Data Type Stale
#60569 by meryadri was closed Jan 27, 2025 Loading…
3 of 5 tasks
Added a new parameter to value_counts to keep both counts and normalized values. Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement
#60335 by Keramatfar was closed Dec 2, 2024 Loading…
1 task
BUG: preserve (object) dtype in factorize Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Dtype Conversions Unexpected or buggy dtype conversions
REGR: groupby.value_counts with all NA values Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Groupby Regression Functionality that used to work in a prior pandas version
API: value_counts to consistently maintain order of input Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff API - Consistency Internal Consistency of API/Behavior
DOC: Improve sort parameter doc of DataFrameGroupBy.value_counts Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Docs Groupby
#59412 by KevsterAmp was closed Sep 7, 2024 Loading…
5 tasks done
Add support for NumpyExtensionArray in pd.unique() Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
Backport PR #57058 on branch 2.2.x (BUG: Series.pct_change with empty Series) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug
BUG: value_counts not preserving object dtype Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Dtype Conversions Unexpected or buggy dtype conversions
#56187 by phofl was closed Dec 8, 2023 Loading…
5 tasks
BUG: GroupBy.value_counts sorting order Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Groupby
BUG: Fix rounding of percentile 99.999% to 100% Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
Backport PR #55527: BUG fix deprecation of Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug
limit and fill_method … Algos Backport PR #55627 on branch 2.1.x (BUG: value_counts returning incorrect dtype for string dtype) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby Strings String extension data type and string data
BUG: value_counts returning incorrect dtype for string dtype Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby Strings String extension data type and string data
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