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Cleaner infer Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#17069 by cpcloud was closed Jul 24, 2017 Loading…
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
TYP: Fix NatType.combine type definition Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Typing type annotations, mypy/pyright type checking
#59503 by mroeschke was closed Aug 14, 2024 Loading…
BUG: Bug in DataFrame.dropna with duplicate indices (GH6355) Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
REGR: Bug in Series.reindex when specifying a method with some nan values was inconsistent (GH6418) Bug Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: Bug in fillna with method = bfill/ffill and datetime64[ns] dtype (GH6587) Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: Regression from 0.13 with fillna and a Series on datetime-like (6344) Bug Datetime Datetime data dtype Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: Bug in broadcasting with .div, integer dtypes and divide-by-zero (GH7325) Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Numeric Operations Arithmetic, Comparison, and Logical operations
BUG: Bug in timedelta inference when assigning an incomplete Series (GH7592) Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Timedelta Timedelta data type
BUG: bug in partial setting of with a DatetimeIndex (GH9478) Bug Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
REGR: Add back #N/A N/A as a default NA value (regresion from 0.12) (GH5521) IO CSV read_csv, to_csv Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
API: .fillna will now raise a NotImplementedError when passed a DataFrame (GH8377) Error Reporting Incorrect or improved errors from pandas Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
BUG: passing an invalid fill method to resample(..).fillna() causes an odd error message Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Resample resample method
API: Index doesn't results in PeriodIndex if Period contains NaT API Design Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Period Period data type
CLN: move interpolation tests from test_generic to test_missing Clean Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Testing pandas testing functions or related to the test suite
Backport PR #56616 on branch 2.2.x (BUG: Add limit_area to EA ffill/bfill) Bug ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Backport PR #53505 on branch 2.0.x (BUG: reindex with expansion and non-nanosecond dtype) Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Non-Nano datetime64/timedelta64 with non-nanosecond resolution
Backport PR #54820 on branch 2.1.x (REF: Dispatch ArrowExtensionArray.fillna methods to pad_or_backfill) Arrow pyarrow functionality Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Backport PR #54927 on branch 2.1.x (REGR: interpolate raising if fill_value is given) Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Backport PR #55347 on branch 2.1.x (BUG: interpolate raising wrong error for ea) ExtensionArray Extending pandas with custom dtypes or arrays. Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
Backport PR #42085 on branch 1.3.x (BUG: groupby any/all raising with pd.NA object data) Bug Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
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
REF: pad/backfill out of IndexEngine Indexing Related to indexing on series/frames, not to indexes themselves Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Refactor Internal refactoring of code
BUG: all-NaT TDI division with object dtype preserve td64 Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Timedelta Timedelta data type
BUG: GroupBy.apply with timegrouper and NaT Groupby Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
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