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PERF: optimize algos.take for repeated calls Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance
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… updated Feb 22, 2023
2 tasks done
ENH: Add mask support for value_counts with dropna=False Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Stale
#49049 by phofl was closed Feb 22, 2023 Loading… updated Feb 22, 2023
5 tasks
Updated value_counts documentation and implementation and added single label subset test Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Docs Testing pandas testing functions or related to the test suite
API: various .value_counts() result in different names / indices Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff API Design
ENH: Allow pairwise calcuation when comparing the column with itself … Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement
#43569 by peterpanmj was closed Oct 29, 2021 Loading… updated Jan 31, 2023
4 tasks done
TST: Add test_factorize_mixed_values Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Categorical Categorical Data Type Testing pandas testing functions or related to the test suite
ENH: unique/factorize preserve non-nano Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Non-Nano datetime64/timedelta64 with non-nanosecond resolution Stale
BUG/PERF: SeriesGroupBy.value_counts sorting bug and categorical performance Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Groupby Performance Memory or execution speed performance
CLN: Consolidate groupby.value_counts tests Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Clean Groupby Testing pandas testing functions or related to the test suite
BUG: DataFrameGroupBy.value_counts fails with a TimeGrouper Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Groupby
TST: Verify isin returns consistent results for passed iterables Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Needs Tests Unit test(s) needed to prevent regressions
#50443 by jessica-writes-code was merged Dec 27, 2022 Loading… updated Dec 27, 2022 2.0
3 of 5 tasks
REF: Refactor merge array conversions for factorizer Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Refactor Internal refactoring of code
#49978 by phofl was merged Dec 1, 2022 Loading… updated Dec 10, 2022
5 tasks
REG: fix regression in df.corrwith on tied data when method is spearman Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Regression Functionality that used to work in a prior pandas version Stale
Backport PR #49839 on branch 1.5.x (PERF: Fix performance regression in isin for empty values) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
PERF: Fix performance regression in isin for empty values Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
DEPR/API: DataFrame.shift(axis=1, fill_value=inty) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Deprecate Functionality to remove in pandas
PERF: Fix performance regression for isin with mismatching dtypes Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
DEPR: Enforce deprecation of na_sentinel Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Deprecate Functionality to remove in pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
bugfix for #48757 Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#48876 by ruifeng96150 was closed Nov 3, 2022 Loading… updated Nov 3, 2022
5 tasks
PERF: Avoid call to list in isin Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance
Backport PR #49162 on branch 1.5.x (PERF: Fix performance regression for isin with mismatching dtypes) Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version
Backport PR #49140 on branch 1.5.x (Revert "PERF: faster corrwith method for pearson and spearman correlation when other is a Series and axis = 0 (column-wise) (#46174)") Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
Revert "PERF: faster corrwith method for pearson and spearman correlation when other is a Series and axis = 0 (column-wise) (#46174)" Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
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