GitHub / pandas-dev/pandas issues and pull requests
Labelled with: MultiIndex
#62610 - ENH: Implement MultiIndex.insert_level for inserting levels at specified positions
Pull Request -
State: open - Opened by Chiwendaiyue about 1 month ago
- 2 comments
Labels: MultiIndex
#62404 - Avoid reindexing values assigned to a multi-index when cols_droplevel contains empty values
Pull Request -
State: closed - Opened by matiaslindgren about 2 months ago
Labels: Indexing, MultiIndex
#62340 - BUG: NaN categorical in multi-level column gets replaced in to_excel output
Issue -
State: open - Opened by niclas-muller 2 months ago
- 4 comments
Labels: Bug, IO Excel, MultiIndex
#62238 - TST: regression test for GH#56853 (insert/delete with MultiIndex datetime)
Pull Request -
State: closed - Opened by skalwaghe-56 3 months ago
- 9 comments
Labels: Testing, MultiIndex
#61769 - Improve MultiIndex label rename checks
Pull Request -
State: closed - Opened by TabLand 5 months ago
- 2 comments
Labels: Bug, MultiIndex, Stale
#61435 - ENH: Implemented MultiIndex.searchsorted method ( GH14833)
Pull Request -
State: open - Opened by GSAUC3 6 months ago
- 13 comments
Labels: Enhancement, MultiIndex
#61381 - Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)
Pull Request -
State: closed - Opened by rit4rosa 7 months ago
- 3 comments
Labels: Bug, Indexing, Missing-data, MultiIndex, Stale
#61381 - Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)
Pull Request -
State: open - Opened by rit4rosa 7 months ago
- 1 comment
Labels: Bug, Indexing, Missing-data, MultiIndex
#61174 - BUG: DataFrame.resample is changing the index type to MultiIndex when the dataframe is empty
Pull Request -
State: closed - Opened by morotti 8 months ago
- 1 comment
Labels: MultiIndex, Resample
#61017 - BUG: Fix MultiIndex alignment issue in Dataframe-Series binary operat…
Pull Request -
State: closed - Opened by snitish 9 months ago
Labels: Bug, MultiIndex
#61017 - BUG: Fix MultiIndex alignment issue in Dataframe-Series binary operat…
Pull Request -
State: closed - Opened by snitish 9 months ago
- 1 comment
Labels: Bug, MultiIndex
#60974 - BUG: fix error message for multiindex.fillna
Pull Request -
State: closed - Opened by MarcoGorelli 9 months ago
Labels: Error Reporting, MultiIndex
#60963 - remove unused dtype from MultiIndex constructor
Pull Request -
State: closed - Opened by MarcoGorelli 9 months ago
- 2 comments
Labels: MultiIndex
#60963 - remove unused dtype from MultiIndex constructor
Pull Request -
State: closed - Opened by MarcoGorelli 9 months ago
- 1 comment
Labels: MultiIndex
#60944 - BUG: Fix MultiIndex from_tuples on tuples with NaNs
Pull Request -
State: closed - Opened by Anurag-Varma 9 months ago
- 2 comments
Labels: Bug, MultiIndex
#60944 - BUG: Fix MultiIndex from_tuples on tuples with NaNs
Pull Request -
State: closed - Opened by Anurag-Varma 9 months ago
- 3 comments
Labels: Bug, MultiIndex
#60923 - BUG: `series.reindex(mi)` behaves different for series with Index and MultiIndex
Issue -
State: open - Opened by ssche 9 months ago
Labels: Bug, MultiIndex, Index, Needs Triage
#60908 - BUG: `ValueError: Length of values (5) does not match length of index (4)` when subtracting two series with MultIndex and Index and nan values
Issue -
State: open - Opened by ssche 9 months ago
Labels: Bug, Indexing, Missing-data, MultiIndex, Needs Triage
#60906 - BUG: Fix bug in DataFrame binary op not respecting fill_value in case…
Pull Request -
State: closed - Opened by snitish 9 months ago
- 1 comment
Labels: Numeric Operations, MultiIndex
#60906 - BUG: Fix bug in DataFrame binary op not respecting fill_value in case…
Pull Request -
State: closed - Opened by snitish 9 months ago
Labels: Numeric Operations, MultiIndex
#60903 - BUG: Adding DataFrames with misaligned MultiIndex produces NaN despite fill_value=0
Issue -
State: closed - Opened by michaelpradel 9 months ago
- 3 comments
Labels: Bug, Indexing, Numeric Operations, MultiIndex
#60695 - BUG: Series constructor from dictionary drops key (index) levels when not all keys have same number of entries
Issue -
State: closed - Opened by ArneBinder 10 months ago
- 26 comments
Labels: Bug, MultiIndex, good first issue
#60642 - BUG: MultiIndex union/difference not commutative
Issue -
State: open - Opened by ssche 11 months ago
Labels: Bug, Missing-data, MultiIndex, Index, Needs Triage, setops
#60552 - ENH: sklearn.model_selection.ShuffleSplit compatible wit pandas.MultiIndex
Issue -
State: closed - Opened by jeiglsperger 11 months ago
- 2 comments
Labels: Enhancement, MultiIndex, Needs Info
#60388 - BUG: cannot locate multiIndex column when NaT is in column
Issue -
State: closed - Opened by CraigMeng 12 months ago
- 3 comments
Labels: Bug, Indexing, Missing-data, MultiIndex, PDEP missing values
#60293 - BUG: Don't merge Excel cells to a single row with merge_cells=False
Pull Request -
State: closed - Opened by rhshadrach about 1 year ago
Labels: Bug, IO Excel, MultiIndex
#60293 - BUG: Don't merge Excel cells to a single row with merge_cells=False
Pull Request -
State: closed - Opened by rhshadrach about 1 year ago
- 1 comment
Labels: Bug, IO Excel, MultiIndex
#60274 - API: to_excel with merge_cells=False treats index and columns differently
Issue -
State: closed - Opened by rhshadrach about 1 year ago
- 3 comments
Labels: Bug, IO Excel, MultiIndex
#60236 - BUG: .duplicated() ignoring duplicates for MultiIndex
Issue -
State: closed - Opened by mmatous about 1 year ago
- 5 comments
Labels: Bug, MultiIndex, Closing Candidate
#60182 - BUG: Convert output type in Excel for MultiIndex with period levels
Pull Request -
State: closed - Opened by ZKaoChi about 1 year ago
- 7 comments
Labels: Bug, IO Excel, Period, MultiIndex
#60182 - BUG: Convert output type in Excel for MultiIndex with period levels
Pull Request -
State: closed - Opened by ZKaoChi about 1 year ago
- 5 comments
Labels: Bug, IO Excel, Period, MultiIndex
#60099 - BUG: Inconsistent output type in Excel for PeriodIndex in Index or MultiIndex
Issue -
State: closed - Opened by pforero about 1 year ago
- 2 comments
Labels: Bug, IO Excel, Period, MultiIndex
#59578 - PERF: Only clear cached .levels when setting MultiIndex.names
Pull Request -
State: closed - Opened by mroeschke about 1 year ago
- 1 comment
Labels: Performance, MultiIndex
#59578 - PERF: Only clear cached .levels when setting MultiIndex.names
Pull Request -
State: open - Opened by mroeschke about 1 year ago
Labels: Performance, MultiIndex
#59546 - BUG: allow None as name in multi-index during join
Pull Request -
State: closed - Opened by matiaslindgren over 1 year ago
- 2 comments
Labels: Bug, Reshaping, MultiIndex
#59546 - BUG: allow None as name in multi-index during join
Pull Request -
State: closed - Opened by matiaslindgren over 1 year ago
- 3 comments
Labels: Bug, Reshaping, MultiIndex
#59400 - DOC: fix SA01 for pandas.MultiIndex.get_level_values
Pull Request -
State: closed - Opened by tuhinsharma121 over 1 year ago
- 1 comment
Labels: Docs, MultiIndex
#59400 - DOC: fix SA01 for pandas.MultiIndex.get_level_values
Pull Request -
State: closed - Opened by tuhinsharma121 over 1 year ago
Labels: Docs, MultiIndex
#59102 - Added a test for the groupby MultiIndex with codes
Pull Request -
State: closed - Opened by MurzNN over 1 year ago
- 2 comments
Labels: Testing, Groupby, MultiIndex
#59102 - Added a test for the groupby MultiIndex with codes
Pull Request -
State: closed - Opened by MurzNN over 1 year ago
- 1 comment
Labels: Testing, Groupby, MultiIndex
#59069 - Fix insertion of None value in MultiIndex
Pull Request -
State: closed - Opened by chaoyihu over 1 year ago
- 1 comment
Labels: Missing-data, MultiIndex
#59069 - Fix insertion of None value in MultiIndex
Pull Request -
State: closed - Opened by chaoyihu over 1 year ago
Labels: Missing-data, MultiIndex
#58923 - CLN: Remove downcast keyword in MultiIndex.fillna
Pull Request -
State: closed - Opened by mroeschke over 1 year ago
Labels: MultiIndex, Clean
#58923 - CLN: Remove downcast keyword in MultiIndex.fillna
Pull Request -
State: closed - Opened by mroeschke over 1 year ago
- 1 comment
Labels: MultiIndex, Clean
#58411 - PERF: MultiIndex._engine use smaller dtypes
Pull Request -
State: closed - Opened by GianlucaFicarelli over 1 year ago
- 1 comment
Labels: Performance, MultiIndex
#58411 - PERF: MultiIndex._engine use smaller dtypes
Pull Request -
State: closed - Opened by GianlucaFicarelli over 1 year ago
- 2 comments
Labels: Performance, MultiIndex
#58382 - BUG: Add frequency to DatetimeArray/TimedeltaArray take
Pull Request -
State: closed - Opened by annika-rudolph over 1 year ago
- 1 comment
Labels: Frequency, MultiIndex
#58369 - BUG: as_index=False can return a MultiIndex in groupby.apply
Pull Request -
State: closed - Opened by undermyumbrella1 over 1 year ago
- 2 comments
Labels: Groupby, MultiIndex, Apply
#58369 - BUG: as_index=False can return a MultiIndex in groupby.apply
Pull Request -
State: closed - Opened by undermyumbrella1 over 1 year ago
- 3 comments
Labels: Groupby, MultiIndex, Apply
#58088 - BUG: Let `melt` name multiple variable columns for labels from a `MultiIndex`
Pull Request -
State: closed - Opened by rob-sil over 1 year ago
- 3 comments
Labels: Reshaping, MultiIndex
#58088 - BUG: Let `melt` name multiple variable columns for labels from a `MultiIndex`
Pull Request -
State: closed - Opened by rob-sil over 1 year ago
- 6 comments
Labels: Reshaping, MultiIndex
#58043 - BUG: DataFrame slice selection treated as hashable in Python 3.12 #57500
Pull Request -
State: closed - Opened by tehunter over 1 year ago
- 1 comment
Labels: Indexing, MultiIndex
#58043 - BUG: DataFrame slice selection treated as hashable in Python 3.12 #57500
Pull Request -
State: closed - Opened by tehunter over 1 year ago
- 2 comments
Labels: Indexing, MultiIndex
#57829 - Potential regression induced by PR "PERF: Categorical(range).categories returns RangeIndex instead of Index"
Issue -
State: closed - Opened by DeaMariaLeon over 1 year ago
- 1 comment
Labels: Performance, MultiIndex
#57788 - API: Revert 57042 - MultiIndex.names|codes|levels returns tuples
Pull Request -
State: closed - Opened by rhshadrach over 1 year ago
- 6 comments
Labels: MultiIndex
#57788 - API: Revert 57042 - MultiIndex.names|codes|levels returns tuples
Pull Request -
State: closed - Opened by rhshadrach over 1 year ago
- 5 comments
Labels: MultiIndex
#57697 - BUG: Fix empty MultiIndex DataFrame xlsx export
Pull Request -
State: closed - Opened by speleo3 over 1 year ago
- 3 comments
Labels: Bug, IO Excel, MultiIndex
#57601 - DOC: Fixing GL08 errors for pandas.ExcelFile.sheet_names and pandas.MultiIndex.codes
Pull Request -
State: closed - Opened by thomasdamcevski over 1 year ago
Labels: Docs, CI, IO Excel, MultiIndex
#57601 - DOC: Fixing GL08 errors for pandas.ExcelFile.sheet_names and pandas.MultiIndex.codes
Pull Request -
State: closed - Opened by thomasdamcevski over 1 year ago
- 1 comment
Labels: Docs, CI, IO Excel, MultiIndex
#57042 - API: MultiIndex.names|codes|levels returns tuples
Pull Request -
State: closed - Opened by mroeschke almost 2 years ago
- 5 comments
Labels: MultiIndex
#56990 - PERF: MultiIndex.equals for equal length indexes
Pull Request -
State: closed - Opened by lukemanley almost 2 years ago
- 1 comment
Labels: Performance, MultiIndex
#56990 - PERF: MultiIndex.equals for equal length indexes
Pull Request -
State: closed - Opened by lukemanley almost 2 years ago
Labels: Performance, MultiIndex
#56936 - BUG: Improve MultiIndex label rename checks, docs and tests
Pull Request -
State: closed - Opened by TabLand almost 2 years ago
- 4 comments
Labels: Bug, MultiIndex, Stale
#56936 - BUG: Improve MultiIndex label rename checks, docs and tests
Pull Request -
State: open - Opened by TabLand almost 2 years ago
- 3 comments
Labels: Bug, MultiIndex, Stale
#56853 - BUG: Insert then delete column into MultiIndex with timestamps leads to RecursionError
Issue -
State: closed - Opened by traubms almost 2 years ago
- 7 comments
Labels: Bug, Indexing, MultiIndex, good first issue, Needs Tests
#56062 - PERF: DataFrame.loc and Series.loc when key is a MultiIndex
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Performance, MultiIndex
#56049 - REGR: sort_index with ascending as list of boolean
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Regression, MultiIndex
#55839 - REF/PERF: MultiIndex.get_indexer with method
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Refactor, Performance, MultiIndex
#55811 - PERF: avoid unnecessary method call in get_indexer_non_unique() on MultiIndex
Pull Request -
State: closed - Opened by morotti about 2 years ago
- 4 comments
Labels: MultiIndex, Clean
#55772 - BUG: `DataFrame.resample` changing index type to `MultiIndex` when dataframe is empty and upsampling
Pull Request -
State: closed - Opened by Charlie-XIAO about 2 years ago
- 4 comments
Labels: MultiIndex, Resample
#55772 - BUG: `DataFrame.resample` changing index type to `MultiIndex` when dataframe is empty and upsampling
Pull Request -
State: closed - Opened by Charlie-XIAO about 2 years ago
- 4 comments
Labels: MultiIndex, Resample
#55482 - Backport PR #55473: TST: sort index with sliced MultiIndex
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Regression, MultiIndex
#55474 - REGR: sort index with sliced MultiIndex
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 2 comments
Labels: Regression, MultiIndex
#55473 - TST: sort index with sliced MultiIndex
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 2 comments
Labels: Regression, MultiIndex
#55449 - BUG: Sorting DataFrame with MultiIndex in descending(ascending=False) order cause index slicing to fail with exception.
Issue -
State: closed - Opened by zzxttornado about 2 years ago
- 2 comments
Labels: Enhancement, MultiIndex
#55415 - Series.__repr__ with MultiIndex with level name 0
Pull Request -
State: closed - Opened by jbrockmendel about 2 years ago
- 1 comment
Labels: Output-Formatting, MultiIndex
#55379 - BUG: df.sort_index not sorting
Issue -
State: closed - Opened by caneff about 2 years ago
- 5 comments
Labels: Bug, Regression, MultiIndex
#55370 - BUG: DataFrame.join reordering index levels when joining on subset of levels
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 2 comments
Labels: Bug, Reshaping, MultiIndex
#55352 - BUG: MultiIndex.get_indexer with method not raising for non-monotonic
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Bug, MultiIndex
#55315 - BUG: MultiIndex.levels can propagate stale values from parent DataFrame
Issue -
State: closed - Opened by trianta2 about 2 years ago
- 2 comments
Labels: Bug, MultiIndex, Closing Candidate
#55169 - BUG: Pandas column rename function now working for multilevel columns
Issue -
State: open - Opened by DavidKingGH about 2 years ago
- 7 comments
Labels: Bug, MultiIndex, Needs Triage, rename
#55148 - BUG: MultiIndex.levels[x] of sliced DataFrame returns values from the non-sliced index
Issue -
State: closed - Opened by ilCatania about 2 years ago
- 6 comments
Labels: Docs, MultiIndex, good first issue
#54968 - Backport PR #54945 on branch 2.1.x (REGR: MultiIndex.append raising for overlapping IntervalIndex levels)
Pull Request -
State: closed - Opened by meeseeksmachine about 2 years ago
Labels: Reshaping, Regression, MultiIndex, Interval
#54934 - BUG: [REGRESSION] concat fails when concating two objects with overlapping MultiIndex IntervalIndex levels
Issue -
State: closed - Opened by johannes-mueller about 2 years ago
- 1 comment
Labels: Bug, Regression, MultiIndex, Interval
#54835 - PERF: lexsort_indexer (MultiIndex / multi-column sorting)
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Performance, MultiIndex
#54765 - PERF: skip libjoin fastpath for MultiIndex
Pull Request -
State: closed - Opened by lukemanley about 2 years ago
- 1 comment
Labels: Performance, MultiIndex
#54695 - BUG: Formatting MultiIndex crashes if first column is too long
Issue -
State: closed - Opened by futurulus about 2 years ago
- 3 comments
Labels: Bug, Output-Formatting, MultiIndex, Needs Triage
#54523 - ENH: initialising `MultiIndex` with a `dtypes` param
Issue -
State: open - Opened by attack68 over 2 years ago
- 1 comment
Labels: Enhancement, MultiIndex
#54521 - BUG: `assert_frame_equals` fails when `MultiIndex` elements are `None`
Issue -
State: open - Opened by attack68 over 2 years ago
- 3 comments
Labels: Bug, Testing, Missing-data, MultiIndex
#54347 - BUG: .groupby() produces MultiIndex with NaN in levels instead of encoded in codes
Issue -
State: closed - Opened by Tolker-KU over 2 years ago
- 5 comments
Labels: Groupby, MultiIndex, Needs Tests
#54314 - BUG: `pd.MultiIndex` is not able to display an index containing a particular tuple of string
Issue -
State: open - Opened by DSLituiev over 2 years ago
- 1 comment
Labels: Bug, Output-Formatting, MultiIndex
#54305 - BUG: Subindexing on the second level datetime index caused key error
Issue -
State: closed - Opened by 3zhang over 2 years ago
- 3 comments
Labels: Bug, Indexing, MultiIndex, Closing Candidate
#54019 - BUG: loc-based slicing on multiindex only sometimes respects order of level indexers
Issue -
State: open - Opened by wence- over 2 years ago
Labels: Bug, MultiIndex, Needs Triage
#54009 - BUG: MultiIndex label lookup with empty list indexers inconsistent wrt placement of indexer
Issue -
State: open - Opened by wence- over 2 years ago
- 1 comment
Labels: Bug, MultiIndex, Needs Triage
#53582 - API: MultiIndex attributes return tuple instead of FrozenList
Pull Request -
State: closed - Opened by mroeschke over 2 years ago
- 1 comment
Labels: API Design, MultiIndex
#53574 - PERF: potential room for optimizing concatenation of MultiIndex (MultiIndex.append)
Issue -
State: open - Opened by jorisvandenbossche over 2 years ago
Labels: Performance, MultiIndex
#53452 - BUG: Incorrect result when `method!=None` for `MultiIndex.get_indexer`
Issue -
State: closed - Opened by galipremsagar over 2 years ago
- 3 comments
Labels: Bug, MultiIndex
#53386 - BUG: access pd.MultiIndex using index differs when converted to list and then accessed
Issue -
State: closed - Opened by hkad98 over 2 years ago
- 3 comments
Labels: Bug, MultiIndex
#53102 - REGR: MultiIndex.join not resorting levels of new index
Pull Request -
State: closed - Opened by phofl over 2 years ago
- 3 comments
Labels: Regression, MultiIndex
#53093 - BUG: Equal input DataFrames but different results
Issue -
State: closed - Opened by seanslma over 2 years ago
- 6 comments
Labels: Bug, Regression, MultiIndex