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Issues list

BUG: ValueError: ndarray is not C-contiguous for cummax on nullable dtypes Bug Groupby NA - MaskedArrays Related to pd.NA and nullable extension arrays Transformations e.g. cumsum, diff, rank
#61031 opened Mar 2, 2025 by MarcoGorelli
3 tasks done
@rhshadrach
3
BUG: diff method incorrect on datetime64[s] Bug Closing Candidate May be closeable, needs more eyeballs Datetime Datetime data dtype Needs Info Clarification about behavior needed to assess issue Transformations e.g. cumsum, diff, rank
#59650 opened Aug 29, 2024 by namiyousef
3 tasks done
1
Title: Feature Request: Improve diff Function to Support Forward and Backward CompletionENH: Enhancement Needs Info Clarification about behavior needed to assess issue Transformations e.g. cumsum, diff, rank
#59465 opened Aug 10, 2024 by hiroly2317
1 of 3 tasks
2
BUG: Transform() function returns unexpected results with list Bug Groupby Needs Discussion Requires discussion from core team before further action Transformations e.g. cumsum, diff, rank
#57661 opened Feb 28, 2024 by J-ZW-Wang
3 tasks done
3
DOC: Series.diff with boolean dtype does not return a series of dtype float Docs Dtype Conversions Unexpected or buggy dtype conversions Needs Discussion Requires discussion from core team before further action Transformations e.g. cumsum, diff, rank
#57565 opened Feb 22, 2024 by from-nowhere
1 task done
4
ENH: Allow rank to return int64 for numpy types when no missing values are present Dtype Conversions Unexpected or buggy dtype conversions Enhancement Transformations e.g. cumsum, diff, rank
#55598 opened Oct 19, 2023 by mroeschke
1
@Cappuchinoo
6
REGR: groupby.transform with a UDF performance Copy / view semantics Groupby Performance Memory or execution speed performance Regression Functionality that used to work in a prior pandas version Transformations e.g. cumsum, diff, rank
#55256 opened Sep 23, 2023 by rhshadrach 2.2.3
12
DEPR: deprecate element-wise operations in (Series|DataFrame).transform Apply Apply, Aggregate, Transform, Map Deprecate Functionality to remove in pandas Transformations e.g. cumsum, diff, rank
#54906 opened Aug 31, 2023 by topper-123
1
12
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