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BUG: Categoricals shouldn't allow non-strings when object dtype is passed (#13919) Categorical Categorical Data Type Dtype Conversions Unexpected or buggy dtype conversions Error Reporting Incorrect or improved errors from pandas
#14027 by wcwagner was closed Aug 18, 2016 Loading…
2 of 4 tasks
BUG: groupby(..., dropna=False) drops null values with categorical grouper Categorical Categorical Data Type Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#48981 by rhshadrach was closed Oct 26, 2022 • Draft
5 tasks
BUG: Series.__iter__ not dealing with category type well (GH7839) Bug Categorical Categorical Data Type
BUG: regression in groupby with a pass thru multiindex on axis=1 (GH7997) Categorical Categorical Data Type Groupby Regression Functionality that used to work in a prior pandas version
FIX: Add Categorical.searchsorted stub Categorical Categorical Data Type Error Reporting Incorrect or improved errors from pandas
BUG: bug in df.info() when embedded categorical (related GH7619) Bug Categorical Categorical Data Type
BUG: provide categorical concat always on axis 0, #10430 Categorical Categorical Data Type Compat pandas objects compatability with Numpy or Python functions
BUG: Regression in merging Categorical and object dtypes (GH9426) Bug Categorical Categorical Data Type Reshaping Concat, Merge/Join, Stack/Unstack, Explode
COMPAT: infer_dtype not handling categoricals (GH8974) Bug Categorical Categorical Data Type Compat pandas objects compatability with Numpy or Python functions Internals Related to non-user accessible pandas implementation
TST: xfail flaky 3.7 test, xref #21636 Categorical Categorical Data Type Groupby Testing pandas testing functions or related to the test suite
Backport PR #54789 on branch 2.1.x (WARN: Remove non-actionable warning in value_counts) Categorical Categorical Data Type Groupby Regression Functionality that used to work in a prior pandas version
Backport PR #56672 on branch 2.2.x (BUG: dictionary type astype categorical using dictionary as categories) Arrow pyarrow functionality Categorical Categorical Data Type
Backport PR #55364 on branch 2.1.x (BUG: eq not implemented for categorical and arrow backed strings) Categorical Categorical Data Type Strings String extension data type and string data
Backport PR #57329 on branch 2.2.x (REGR: CategoricalIndex.difference with null values) Categorical Categorical Data Type Regression Functionality that used to work in a prior pandas version setops union, intersection, difference, symmetric_difference
Backport PR #41934 on branch 1.3.x (BUG: IntervalIndex.get_indexer with categorical both have nans) Bug Categorical Categorical Data Type Indexing Related to indexing on series/frames, not to indexes themselves Interval Interval data type
REF: use only inherit_names in CategoricalIndex Categorical Categorical Data Type Refactor Internal refactoring of code
Backport PR #41933 on branch 1.3.x (BUG: CategoricalIndex.get_loc(np.nan)) Bug Categorical Categorical Data Type Index Related to the Index class or subclasses Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Backport PR #41846 on branch 1.3.x (BUG: DataFrame.at with CategoricalIndex) Bug Categorical Categorical Data Type Indexing Related to indexing on series/frames, not to indexes themselves
TST: Add nulls fixture to duplicates categorical na test Categorical Categorical Data Type Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite
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