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Pull requests: pandas-dev/pandas
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ENH: concat and append now can handle unordered categories Categorical Categorical Data Type Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode
PERF: fix #32976 slow group by for categorical columns Categorical Categorical Data Type Performance Memory or execution speed performance Stale
#33739 by rtlee9 was closed Nov 6, 2020 Loading…
5 tasks done
BUG: Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Categorical Categorical Data Type Groupby
DataFrameGroupBy.value_counts includes non-observed categories of non-grouping columns Algos Split test_categorical into subpackage (#18497) Categorical Categorical Data Type Testing pandas testing functions or related to the test suite
BUG: Fix construction of Categorical from pd.NA Categorical Categorical Data Type MultiIndex NA - MaskedArrays Related to pd.NA and nullable extension arrays
BUG/PERF: groupby.transform with unobserved categories Apply Apply, Aggregate, Transform, Map Bug Categorical Categorical Data Type Groupby Performance Memory or execution speed performance
API/DEPR: Change default skipna behaviour + deprecate numeric_only in Categorical.min and max API Design Categorical Categorical Data Type Deprecate Functionality to remove in pandas
BUG: Preserve categorical dtypes in MultiIndex levels (#13743) Bug Categorical Categorical Data Type Groupby MultiIndex
REF: clearer Categorical/CategoricalIndex construction Categorical Categorical Data Type Refactor Internal refactoring of code
BUG: CategoricalIndex allowed reindexing duplicate sources Categorical Categorical Data Type Indexing Related to indexing on series/frames, not to indexes themselves
BUG: improve handling of Series.value_counts's argument 'dropna' (GH9443) Bug Categorical Categorical Data Type
API: remove ordered requirement in Categorical.searchsorted API Design Categorical Categorical Data Type
Improve categorical concat speed by ~20x Categorical Categorical Data Type Enhancement Performance Memory or execution speed performance
minor inconsistency in Categorical.remove_categories error message Categorical Categorical Data Type Error Reporting Incorrect or improved errors from pandas
BUG: Fix Categorical comparsion with Series of dtype 'category' Bug Categorical Categorical Data Type Dtype Conversions Unexpected or buggy dtype conversions
#16667 by funnycrab was closed Dec 10, 2017 Loading…
4 tasks
StataReader: Support sorting categoricals Categorical Categorical Data Type IO Stata read_stata, to_stata
#8816 by PKEuS was closed Nov 18, 2014 Loading…
BUG: Fix passing of numeric_only argument for categorical reduce Categorical Categorical Data Type Regression Functionality that used to work in a prior pandas version
Remove old warnings (plus some useless code) Categorical Categorical Data Type Deprecate Functionality to remove in pandas
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