Search results

BUG: .rolling().mean() returns all NaNs on re-execution, despite .copy() use

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

MultiIndex

Windowrolling, ewma, expandingrolling, ewma, expanding

Status: Open.

#61841 In pandas-dev/pandas;

· DavidZatica opened on Jul 12, 2025

ENH: Implemented MultiIndex.searchsorted method ( GH14833)

Enhancement

MultiIndex

Status: Open (in progress).

pandas-dev/pandasnumber 61435

#61435 In pandas-dev/pandas;

· GSAUC3 opened on May 12, 2025

Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

MultiIndex

Status: Open (in progress).

pandas-dev/pandasnumber 61381

#61381 In pandas-dev/pandas;

· rit4rosa opened on Apr 30, 2025

DOC: change <code>tuples</code> param for MultiIndex.from_tuples from sequence to iterable

Docs

MultiIndex

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Open.

#61357 In pandas-dev/pandas;

· yangdanny97 opened on Apr 25, 2025

BUG: remove_unused_levels does not keep index levels order

Bug

MultiIndex

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Sortinge.g. sort_index, sort_valuese.g. sort_index, sort_values

Status: Open.

#61245 In pandas-dev/pandas;

· mathman79 opened on Apr 7, 2025

BUG: <code>series.reindex(mi)</code> behaves different for series with Index and MultiIndex

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

MultiIndex

Status: Open.

#60923 In pandas-dev/pandas;

· ssche opened on Feb 13, 2025

BUG: <code>ValueError: Length of values (5) does not match length of index (4)</code> when subtracting two series with MultIndex and Index and nan values

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

MultiIndex

Status: Open.

#60908 In pandas-dev/pandas;

· ssche opened on Feb 11, 2025

BUG: MultiIndex union/difference not commutative

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

Missing-datanp.nan, pd.NaT, pd.NA, dropna, isnull, interpolatenp.nan, pd.NaT, pd.NA, dropna, isnull, interpolate

MultiIndex

Needs TriageIssue that has not been reviewed by a pandas team memberIssue that has not been reviewed by a pandas team member

setopsunion, intersection, difference, symmetric_differenceunion, intersection, difference, symmetric_difference

Status: Open.

#60642 In pandas-dev/pandas;

· ssche opened on Jan 2, 2025

BUG: user defined function does not work with <code>DataFrame.apply</code>

API - ConsistencyInternal Consistency of API/BehaviorInternal Consistency of API/Behavior

Bug

MultiIndex

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Open.

#59908 In pandas-dev/pandas;

· shobsi opened on Sep 27, 2024

BUG: inconsistency when <code>read_csv</code> reads MultiIndex with empty values

Bug

IO CSVread_csv, to_csvread_csv, to_csv

MultiIndex

Status: Open.

#59560 In pandas-dev/pandas;

· ldouteau opened on Aug 20, 2024

BUG: read_excel multiindex head with holes

Bug

IO Excelread_excel, to_excelread_excel, to_excel

MultiIndex

Status: Open.

#58898 In pandas-dev/pandas;

· PL-SalvadorFandino opened on Jun 2, 2024

BUG: Insert then delete column into MultiIndex with timestamps leads to RecursionError

Bug

IndexingRelated to indexing on series/frames, not to indexes themselvesRelated to indexing on series/frames, not to indexes themselves

MultiIndex

Status: Open.

#56853 In pandas-dev/pandas;

· traubms opened on Jan 12, 2024