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Issues list

DEPR: Make dtype="category" always imply ordered=False Categorical Categorical Data Type Deprecate Functionality to remove in pandas
#61074 opened Mar 7, 2025 by mroeschke
1
@ZanirP
2
ENH: Add the observed parameter to get_dummies Categorical Categorical Data Type Enhancement Needs Triage Issue that has not been reviewed by a pandas team member
#60585 opened Dec 17, 2024 by alonme
1 of 3 tasks
BUG: Parquet roundtrip fails with numerical categorical dtype Bug Categorical Categorical Data Type IO Parquet parquet, feather
#60491 opened Dec 4, 2024 by adrienpacifico
2 of 3 tasks
@myenugula
5
API: astype method fails to raise errors for category data type API Design Categorical Categorical Data Type
#59899 opened Sep 26, 2024 by noahblakesmith
3 tasks done
1
4
BUG: Column of dtype Categorical in DataFrame encounters error when taking a row that includes nan in the column Bug Categorical Categorical Data Type Indexing Related to indexing on series/frames, not to indexes themselves
#58954 opened Jun 7, 2024 by cinntamani
2 of 3 tasks
5
ENH: Allow select_dtypes("category") to identify ArrowDtype(pa.dictionary)) Arrow pyarrow functionality Categorical Categorical Data Type Enhancement Needs Discussion Requires discussion from core team before further action
#58636 opened May 8, 2024 by nachomaiz
2 of 3 tasks
2
BUG: queries on categorical string columns in HDFStore.select() return unexpected results Bug Categorical Categorical Data Type IO HDF5 read_hdf, HDFStore
#57608 opened Feb 25, 2024 by orionbelt
2 of 3 tasks
1
1
BUG: DataFrame([Series with different CategoricalIndexes]) results in non-Categorical columns Categorical Categorical Data Type Constructors Series/DataFrame/Index/pd.array Constructors DataFrame DataFrame data structure
#57592 opened Feb 23, 2024 by mroeschke
1
3
pandas' recommendation on inplace deprecation and categorical column Categorical Categorical Data Type inplace Relating to inplace parameter or equivalent Needs Discussion Requires discussion from core team before further action
#57104 opened Jan 27, 2024 by adrinjalali 2.3
8
BUG: Infinite recursion with outer merge on categorical key column if left and right dtypes are mismatching non-nullable numeric kinds Bug Categorical Categorical Data Type Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#56376 opened Dec 7, 2023 by wence-
3 tasks done
1
@rob-sil
2
BUG: AssertionError: Did not expect new dtype float64 to equal self.dtype float64. Please report a bug Bug Categorical Categorical Data Type Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate PDEP6-related related to PDEP6 (not upcasting during setitem-like Series operations)
#56329 opened Dec 4, 2023 by adrienpacifico
3 tasks done
6
API: categories.dtype with pd.read_csv(..., dtype='category') API Design Categorical Categorical Data Type IO CSV read_csv, to_csv
#56044 opened Nov 18, 2023 by jbrockmendel
DEPR: pd.Categorical Categorical Categorical Data Type Deprecate Functionality to remove in pandas
#55550 opened Oct 16, 2023 by jbrockmendel
3 tasks done
BUG: categorical dtype equality for level in different type Bug Categorical Categorical Data Type
#55468 opened Oct 10, 2023 by kwhkim
3 tasks done
@gupta-paras
3
BUG/TST: can_use_libjoin exclude CategoricalDtype? Bug Categorical Categorical Data Type Index Related to the Index class or subclasses Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#55335 opened Sep 30, 2023 by jbrockmendel
1
ENH: Raise better error message when mapping categorical column with a dict[str, list] fails when all categories are mapped Categorical Categorical Data Type Enhancement Error Reporting Incorrect or improved errors from pandas
#54359 opened Aug 1, 2023 by radusuciu
3 tasks done
3
ENH: convert_dtypes should get an option to convert Categoricals as well Arrow pyarrow functionality Categorical Categorical Data Type Enhancement ExtensionArray Extending pandas with custom dtypes or arrays.
#53219 opened May 13, 2023 by phofl
1 of 3 tasks
3
BUG: pandas.DataFrame.replace silently fails to replace category type columns. Bug Categorical Categorical Data Type Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Regression Functionality that used to work in a prior pandas version replace replace method
#52571 opened Apr 10, 2023 by corynezinstitchfix
2 of 3 tasks
8
BUG: Quantile function only works when Categorical contains NA-values. Bug Categorical Categorical Data Type quantile quantile method
#52099 opened Mar 21, 2023 by DekwoKybon
2 of 3 tasks
1
6
BUG: Unable to compare unordered categories Bug Categorical Categorical Data Type
#51543 opened Feb 21, 2023 by ParthivNaresh
3 tasks done
1
@ParthivNaresh
3
BUG: categorical Series.map() errors when mapping to tuples. Bug Categorical Categorical Data Type
#51488 opened Feb 19, 2023 by alexlenail
2 of 3 tasks
1
BUG: pd.concat doesn't preserve categorical dtypes Bug Categorical Categorical Data Type Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#51362 opened Feb 13, 2023 by YarShev
2 of 3 tasks
13
Proper support of nullable dtypes as the Categorical dtype Categorical Categorical Data Type Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate PDEP missing values Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
#50711 opened Jan 12, 2023 by Dr-Irv
9
BUG: xticklables is not correctly set when using df.plot.box with group-by Bug Categorical Categorical Data Type Visualization plotting
#50427 opened Dec 24, 2022 by helium777
2 of 3 tasks
ENH: add Categorical.to_array CategoricalAccessor.to_array and CategoricalIndex.to_array Categorical Categorical Data Type Enhancement
#50041 opened Dec 3, 2022 by topper-123
1 of 3 tasks
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