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CLN: nancorr cleanups Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Clean
BUG: compute.use_numexpr option not respected Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug
DOC: Adding examples to DataFrameGroupBy.rank #38972 Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Docs Groupby
WIP: PERF: Cythonize fillna Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Performance Memory or execution speed performance Stale
CLN: simplify take2d_axis0 generated code Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Clean
CLN: allow label memviews to be None Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Clean
Backport PR #42131 on branch 1.3.x (REGR: Series.mode with boolean and pd.NA) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Regression Functionality that used to work in a prior pandas version
REGR: Series.mode with boolean and pd.NA Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Regression Functionality that used to work in a prior pandas version
BUG: fix Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug
Series.argsort Algos #42090 by attack68 was closed Feb 22, 2023 Loading…
2 tasks done
PERF: groupsort_indexer contiguity Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance
BUG/REF: use sorted_rank_1d for rank_2d Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Refactor Internal refactoring of code
REF: give rank1d/2d same nan filling Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Refactor Internal refactoring of code
REF: split out sorted_rank algo Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Refactor Internal refactoring of code
TST/CLN: test_cov_corr Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Clean Testing pandas testing functions or related to the test suite
PERF: nancorr_spearman fastpath Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance
CLN/PERF: no need for kahan for int group_cumsum Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Clean Groupby Performance Memory or execution speed performance
PERF: nancorr_spearman Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance
BUG/ENH: group cummin/max handle skipna Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
REF: split out grouped masked cummin/max algo Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Groupby Refactor Internal refactoring of code
ENH: Add dropna argument to DataFrame.value_counts() Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff API - Consistency Internal Consistency of API/Behavior
REF: avoid unnecessary casting in algorithms Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Refactor Internal refactoring of code
Optimising Series.nunique for Nan values #40865 Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
BUG: isin fails to correctly compare None values. Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Regression Functionality that used to work in a prior pandas version
#41145 by DriesSchaumont was closed Oct 4, 2021 • Draft
2 of 4 tasks
BUG: Fix series clipping NA issue Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug NA - MaskedArrays Related to pd.NA and nullable extension arrays
BUG: pd.factorize should not upconvert unique values unnecessarily Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Dtype Conversions Unexpected or buggy dtype conversions
ProTip! Updated in the last three days: updated:>2025-11-26.