pandas-dev/pandas issues and pull requests

#62513 - FutureWarning: DataFrameGroupBy.apply does not have a clear solution.

Issue - State: closed - Opened by hunterhogan about 2 months ago - 4 comments
Labels: Groupby, Apply, Closing Candidate

#62134 - BUG: groupby.apply() drops _metadata from subclassed DataFrame

Issue - State: closed - Opened by JBGreisman 3 months ago - 1 comment
Labels: Bug, Groupby, Apply, metadata, Subclassing

#61747 - PERF: Arrow dtypes are much slower than Numpy for DataFrame.apply

Issue - State: open - Opened by ehsantn 5 months ago - 8 comments
Labels: Performance, Apply, Arrow

#61644 - BUG: Add PyArrow datelike type support for `map()`

Pull Request - State: closed - Opened by KevsterAmp 5 months ago - 8 comments
Labels: Bug, Apply, Arrow

#61644 - BUG: Add PyArrow datelike type support for `map()`

Pull Request - State: open - Opened by KevsterAmp 5 months ago - 6 comments
Labels: Bug, Apply, Arrow

#61632 - DOC: warn about apply with raw=True, if function returns Optional[int]

Issue - State: open - Opened by wrschneider 5 months ago
Labels: Docs, Apply, Needs Triage

#61552 - DOC: Add note on inference behavior of apply with result_type='expand'

Pull Request - State: open - Opened by pinkgradient 6 months ago - 4 comments
Labels: Docs, Apply, Stale

#61530 - API: Replace na_action parameter in Series/DataFrame/Index.map by the standard skipna

Pull Request - State: open - Opened by datapythonista 6 months ago
Labels: API Design, Apply

#61530 - API: Replace na_action parameter in Series/DataFrame/Index.map by the standard skipna

Pull Request - State: open - Opened by datapythonista 6 months ago - 1 comment
Labels: API Design, Apply

#61508 - BUG: Fix inconsistent returned objects when applying groupby aggregations

Pull Request - State: closed - Opened by arthurlw 6 months ago - 3 comments
Labels: Bug, Apply

#61487 - Implemented NumbaExecutionEngine

Pull Request - State: open - Opened by arthurlw 6 months ago - 11 comments
Labels: Apply

#61470 - DOC: Restructure and expand UDF page

Pull Request - State: closed - Opened by datapythonista 6 months ago - 3 comments
Labels: Docs, Apply

#61470 - DOC: Restructure and expand UDF page

Pull Request - State: closed - Opened by datapythonista 6 months ago - 3 comments
Labels: Docs, Apply

#61467 - ENH: Support third-party execution engines in Series.map

Pull Request - State: closed - Opened by datapythonista 6 months ago
Labels: Apply

#61467 - ENH: Support third-party execution engines in Series.map

Pull Request - State: closed - Opened by datapythonista 6 months ago
Labels: Apply

#61458 - Use BaseExecutionEngine for Python and Numba engines

Issue - State: open - Opened by datapythonista 6 months ago
Labels: Apply

#61396 - Fix #60766:.map,.apply would convert element type for extension array

Pull Request - State: open - Opened by pedromfdiogo 7 months ago
Labels: Bug, Apply

#61396 - Fix #60766:.map,.apply would convert element type for extension array

Pull Request - State: closed - Opened by pedromfdiogo 7 months ago - 2 comments
Labels: Bug, Apply, pyarrow dtype retention

#61264 - API: Rename `arg` to `func` in `Series.map`

Pull Request - State: closed - Opened by datapythonista 7 months ago
Labels: Apply, API - Consistency

#61264 - API: Rename `arg` to `func` in `Series.map`

Pull Request - State: closed - Opened by datapythonista 7 months ago - 1 comment
Labels: Apply, API - Consistency

#61260 - API: Rename arg to func in Series.map for consistency

Issue - State: closed - Opened by datapythonista 7 months ago - 2 comments
Labels: API Design, Apply, API - Consistency

#61231 - BUG: PyArrow timestamp type does not work with map() function

Issue - State: open - Opened by dbalabka 8 months ago - 3 comments
Labels: Bug, Apply, Arrow

#61195 - DOC: User Guide Page on user-defined functions

Pull Request - State: closed - Opened by arthurlw 8 months ago - 10 comments
Labels: Docs, Apply

#61195 - DOC: User Guide Page on user-defined functions

Pull Request - State: closed - Opened by arthurlw 8 months ago - 7 comments
Labels: Docs, Apply

#61126 - DOC: Write user guide page on apply/map/transform methods

Issue - State: closed - Opened by datapythonista 8 months ago - 3 comments
Labels: Docs, Apply

#61125 - ENH: Supporting third-party engines for all `map` and `apply` methods

Issue - State: open - Opened by datapythonista 8 months ago - 13 comments
Labels: Apply

#61032 - [WIP] Allow JIT compilation with an internal API

Pull Request - State: open - Opened by datapythonista 9 months ago
Labels: Apply

#61032 - ENH: Allow JIT compilation with an internal API

Pull Request - State: closed - Opened by datapythonista 9 months ago - 17 comments
Labels: Enhancement, Apply

#60643 - Backport PR #60636 on branch 2.3.x (TST(string dtype): Resolve xfail with apply returning an ndarray)

Pull Request - State: closed - Opened by meeseeksmachine 11 months ago
Labels: Testing, Strings, Apply

#60636 - TST(string dtype): Resolve xfail with apply returning an ndarray

Pull Request - State: closed - Opened by rhshadrach 11 months ago
Labels: Testing, Strings, Apply

#60636 - TST(string dtype): Resolve xfail with apply returning an ndarray

Pull Request - State: open - Opened by rhshadrach 11 months ago
Labels: Testing, Strings, Apply

#60631 - TST: Remove test_apply_mutate.py

Pull Request - State: closed - Opened by rhshadrach 11 months ago - 1 comment
Labels: Testing, Groupby, Apply

#60631 - TST: Remove test_apply_mutate.py

Pull Request - State: closed - Opened by rhshadrach 11 months ago
Labels: Testing, Groupby, Apply

#60592 - BUG: inconsistent behavior in the DataFrame.agg() when use custom aggregate function

Issue - State: closed - Opened by arlequinfei 11 months ago - 1 comment
Labels: Bug, Apply

#60566 - DEPR: Enforce deprecation of include_groups in groupby.apply

Pull Request - State: closed - Opened by rhshadrach 11 months ago - 1 comment
Labels: Groupby, Deprecate, Apply

#60566 - DEPR: Enforce deprecation of include_groups in groupby.apply

Pull Request - State: closed - Opened by rhshadrach 11 months ago
Labels: Groupby, Deprecate, Apply

#60505 - BUG: Fix bug in GroupBy that ignores group_keys arg for empty datafra…

Pull Request - State: closed - Opened by snitish 12 months ago - 1 comment
Labels: Groupby, Apply

#60505 - BUG: Fix bug in GroupBy that ignores group_keys arg for empty datafra…

Pull Request - State: closed - Opened by snitish 12 months ago
Labels: Groupby, Apply

#60482 - ENH: Allow `s.map(d, na_action='raise')`

Pull Request - State: closed - Opened by kopytjuk 12 months ago - 10 comments
Labels: Apply, Stale

#60471 - BUG: DataFrameGroupBy.apply ignores group_keys setting when empty

Issue - State: closed - Opened by ManelBH 12 months ago - 2 comments
Labels: Bug, Groupby, Apply

#60465 - BUG: Maintain column order in table method rolling

Pull Request - State: closed - Opened by snitish 12 months ago - 3 comments
Labels: Bug, Apply, Window

#60465 - BUG: Maintain column order in table method rolling

Issue - State: closed - Opened by snitish 12 months ago - 2 comments
Labels: Bug, Apply, Window

#60087 - QST: Why is it necessary to not allow `include_groups=True` in future versions for groupby(...).apply(...) operations?

Issue - State: closed - Opened by mattmills49 about 1 year ago - 3 comments
Labels: Groupby, Usage Question, Needs Info, Apply

#59966 - BUG: fix treatment of NaNs when .apply() function is used on categorical columns.

Pull Request - State: closed - Opened by saldanhad about 1 year ago - 2 comments
Labels: Categorical, Apply

#59966 - BUG: fix treatment of NaNs when .apply() function is used on categorical columns.

Pull Request - State: closed - Opened by saldanhad about 1 year ago - 1 comment
Labels: Categorical, Apply

#59915 - BUG: "Columns must be same length as key" exception when .apply() per row on an empty DataFrame.

Issue - State: closed - Opened by Zhdanovich about 1 year ago - 1 comment
Labels: Bug, Apply

#59854 - String dtype: allow string dtype for non-raw apply with numba engine

Pull Request - State: open - Opened by jorisvandenbossche about 1 year ago
Labels: Strings, Apply, numba

#59832 - BUG: `None` values are not processed when applying `pd.isnull` to a Series with dtype `category`

Issue - State: closed - Opened by StephanMertel about 1 year ago - 6 comments
Labels: Bug, Missing-data, Categorical, Apply

#59781 - ENH: Allow custom aggregation functions with multiple return values.

Issue - State: closed - Opened by noppelmax about 1 year ago - 2 comments
Labels: Enhancement, Groupby, Apply, Closing Candidate

#59751 - DEPR: Update groupby.apply DeprecationWarning to FutureWarning

Pull Request - State: closed - Opened by rhshadrach about 1 year ago - 4 comments
Labels: Groupby, Apply, Warnings

#59751 - DEPR: Update groupby.apply DeprecationWarning to FutureWarning

Pull Request - State: closed - Opened by rhshadrach about 1 year ago - 5 comments
Labels: Groupby, Apply, Warnings

#59667 - BUG: `df.groupby().aggregate()` doesn't preserve subclass type

Issue - State: closed - Opened by jaredight about 1 year ago - 3 comments
Labels: Bug, Groupby, Apply, Closing Candidate, Subclassing

#59666 - BUG: rolling with method='table' and apply sorts columns alphabetically

Issue - State: closed - Opened by valeju about 1 year ago - 2 comments
Labels: Bug, Apply, Window

#59297 - CLN: Remove unnecessary iterators

Pull Request - State: closed - Opened by mroeschke over 1 year ago
Labels: Clean, Apply

#59243 - BUG: Fix 58807

Pull Request - State: closed - Opened by matiaslindgren over 1 year ago
Labels: Error Reporting, Apply

#59243 - BUG: Fix 58807

Pull Request - State: closed - Opened by matiaslindgren over 1 year ago - 1 comment
Labels: Error Reporting, Apply

#58995 - ENH: numba apply supports positional arguments passed as **kwargs

Pull Request - State: closed - Opened by auderson over 1 year ago - 6 comments
Labels: Enhancement, Groupby, Apply, numba

#58995 - ENH: numba apply supports positional arguments passed as **kwargs

Pull Request - State: closed - Opened by auderson over 1 year ago - 7 comments
Labels: Enhancement, Groupby, Apply, numba

#58886 - BUG: Check `min_periods` before applying the function

Pull Request - State: closed - Opened by rob-sil over 1 year ago - 1 comment
Labels: Bug, Apply, Window, numba

#58868 - BUG: Rolling .apply() with method='table' ignores min_periods

Issue - State: closed - Opened by kasparthommen over 1 year ago - 2 comments
Labels: Bug, Apply, Window, numba

#58864 - BUG/df.agg-with-df-with-missing-values-results-in-IndexError

Pull Request - State: closed - Opened by abeltavares over 1 year ago - 1 comment
Labels: Bug, Apply

#58864 - BUG/df.agg-with-df-with-missing-values-results-in-IndexError

Pull Request - State: closed - Opened by abeltavares over 1 year ago - 2 comments
Labels: Bug, Apply

#58852 - ENH: pd.NamedAgg forwards *args and **kwargs to aggfunc

Pull Request - State: closed - Opened by tomytp over 1 year ago - 2 comments
Labels: Apply, Stale

#58852 - ENH: pd.NamedAgg forwards *args and **kwargs to aggfunc

Pull Request - State: closed - Opened by tomytp over 1 year ago - 2 comments
Labels: Apply, Stale

#58810 - BUG: df.agg with df with missing values results in IndexError

Issue - State: closed - Opened by sfc-gh-rdurrani over 1 year ago - 3 comments
Labels: Bug, Missing-data, Apply

#58807 - BUG: df.agg with pd.NamedAgg axis=1 unsupported, but errors differently depending on contents of index

Issue - State: closed - Opened by sfc-gh-rdurrani over 1 year ago - 2 comments
Labels: Docs, Error Reporting, Apply

#58774 - BUG: Fix inconsistent GroupBy.aggregate behavior with as_index=False when grouping by external Series with conflicting names #58337

Pull Request - State: closed - Opened by AkisPanagiotopoulos over 1 year ago - 2 comments
Labels: Bug, Groupby, Apply, Stale

#58774 - BUG: Fix inconsistent GroupBy.aggregate behavior with as_index=False when grouping by external Series with conflicting names #58337

Pull Request - State: closed - Opened by AkisPanagiotopoulos over 1 year ago - 2 comments
Labels: Bug, Groupby, Apply, Stale

GitHub / pandas-dev/pandas issues and pull requests