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Pull requests: pandas-dev/pandas
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TST: parametrize sparse array arithmetic tests Sparse Sparse Data Type Testing pandas testing functions or related to the test suite
DEPR: Deprecate Series/Dataframe.to_dense/to_sparse Deprecate Functionality to remove in pandas Sparse Sparse Data Type
Add more specific error message when user passes incorrect matrix format to from_coo Error Reporting Incorrect or improved errors from pandas Sparse Sparse Data Type
BUG: preserve categorical & sparse types when grouping / pivot & preserve dtypes on ufuncs Bug Categorical Categorical Data Type ExtensionArray Extending pandas with custom dtypes or arrays. Groupby Sparse Sparse Data Type
BUG: Preserve sparse dtype when reindexing Regression Functionality that used to work in a prior pandas version Sparse Sparse Data Type
#26183 by alex-hutton was closed Jun 8, 2019 Loading…
1 of 4 tasks
Deprecate SparseDataFrame and SparseSeries Deprecate Functionality to remove in pandas Sparse Sparse Data Type
API: concat on sparse values API Design Reshaping Concat, Merge/Join, Stack/Unstack, Explode Sparse Sparse Data Type
BUG: User-facing AssertionError with add column to SparseDataFrame Error Reporting Incorrect or improved errors from pandas Sparse Sparse Data Type
PERF: ~40x speedup in sparse init and ops by using numpy in check_integrity Performance Memory or execution speed performance Sparse Sparse Data Type
BUG-16807-1 SparseFrame fills with default_fill_value if data is None Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Sparse Sparse Data Type
BUG/PERF: Sparse get_dummies uses concat Performance Memory or execution speed performance Sparse Sparse Data Type
API: Always return DataFrame from get_dummies API Design Reshaping Concat, Merge/Join, Stack/Unstack, Explode Sparse Sparse Data Type
DOC: Fix PEP-8 issues in sparse.rst Code Style Code style, linting, code_checks Docs Sparse Sparse Data Type
BUG GH23744 ufuncs on DataFrame keeps dtype sparseness ExtensionArray Extending pandas with custom dtypes or arrays. Sparse Sparse Data Type
REF: de-duplicate DataFrame/SparseDataFrame arithmetic code Clean Sparse Sparse Data Type
#23414 by jbrockmendel was closed Nov 26, 2018 Loading…
ProTip! Updated in the last three days: updated:>2025-11-28.