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GitHub / pandas-dev/pandas issues and pull requests

Labelled with: Missing-data

#62393 - ENH: adds columnwise fillna support

Pull Request - State: closed - Opened by a18rhodes about 2 months ago - 5 comments
Labels: Missing-data

#62313 - DOC: Fix NaT and NA API docs

Pull Request - State: closed - Opened by meet-vasita 2 months ago - 10 comments
Labels: Docs, Missing-data

#62036 - BUG: rank with object dtype and small values

Issue - State: closed - Opened by jbrockmendel 4 months ago - 4 comments
Labels: Bug, Missing-data, NA - MaskedArrays, Transformations

#62021 - TST: nan->NA in non-construction tests

Pull Request - State: closed - Opened by jbrockmendel 4 months ago
Labels: Testing, Missing-data

#61768 - BUG: NA.__and__, __or__, __xor__ with np.bool_ objects

Pull Request - State: closed - Opened by jbrockmendel 5 months ago - 1 comment
Labels: Missing-data

#61624 - BUG: Fix infer_dtype result for float with embedded pd.NA

Pull Request - State: closed - Opened by heoh 5 months ago - 1 comment
Labels: Bug, Missing-data, Dtype Conversions

#61624 - BUG: Fix infer_dtype result for float with embedded pd.NA

Pull Request - State: closed - Opened by heoh 5 months ago - 2 comments
Labels: Bug, Missing-data, Dtype Conversions

#61621 - BUG: infer_dtype result for float with embedded pd.NA

Issue - State: closed - Opened by MarkusZimmerDLR 5 months ago - 5 comments
Labels: Bug, Missing-data, Dtype Conversions

#61524 - BUG: Fix pivot_table margins to include NaN groups when dropna=False

Pull Request - State: closed - Opened by iabhi4 6 months ago - 5 comments
Labels: Bug, Missing-data, Reshaping

#61509 - BUG: margin for pivot_table is incorrect with NA column/index values

Issue - State: closed - Opened by vtraag 6 months ago - 2 comments
Labels: Bug, Missing-data, Reshaping

#61461 - DOC: fix two mistakes in missing_data.rst

Pull Request - State: closed - Opened by gogowitsch 6 months ago
Labels: Docs, Missing-data

#61381 - Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)

Pull Request - State: open - Opened by rit4rosa 7 months ago - 1 comment
Labels: Bug, Indexing, Missing-data, MultiIndex

#61381 - Fix alignment in Series subtraction with MultiIndex, Index and NaN values (#60908)

Pull Request - State: closed - Opened by rit4rosa 7 months ago - 3 comments
Labels: Bug, Indexing, Missing-data, MultiIndex, Stale

#61364 - BUG: groupby.groups with NA categories fails

Pull Request - State: closed - Opened by rhshadrach 7 months ago
Labels: Bug, Groupby, Missing-data, Categorical

#61364 - BUG: groupby.groups with NA categories fails

Pull Request - State: closed - Opened by rhshadrach 7 months ago - 1 comment
Labels: Bug, Groupby, Missing-data, Categorical

#61356 - BUG: `DataFrameGroupBy.groups` fails when Categorical indexer contains NaNs and `dropna=False`

Issue - State: closed - Opened by tehunter 7 months ago - 1 comment
Labels: Bug, Groupby, Missing-data, Categorical

#61216 - BUG: OverflowError when fillna on DataFrame with a pd.Timestamp (#61208)

Pull Request - State: closed - Opened by PedroM4rques 8 months ago - 1 comment
Labels: Bug, Missing-data, Error Reporting, Timestamp

#61200 - BUG: date comparison fails when series is all pd.NaT values

Pull Request - State: closed - Opened by Mohit-Kundu 8 months ago - 3 comments
Labels: Bug, Datetime, Missing-data

#61200 - BUG: date comparison fails when series is all pd.NaT values

Pull Request - State: closed - Opened by Mohit-Kundu 8 months ago - 9 comments
Labels: Bug, Datetime, Missing-data

#61187 - BUG: DataFrame.min raises TypeError when column contains mixed types (e.g., np.nan and datetime)

Issue - State: closed - Opened by tanjt107 8 months ago - 2 comments
Labels: Bug, Missing-data, Needs Info, Reduction Operations

#61184 - DOC: Add details of dropna in DataFrame.pivot_table

Pull Request - State: closed - Opened by it176131 8 months ago - 4 comments
Labels: Docs, Missing-data, Reshaping

#61183 - REGR: Interpolate with method=index

Pull Request - State: closed - Opened by rhshadrach 8 months ago - 2 comments
Labels: Bug, Missing-data, Regression

#61183 - REGR: Interpolate with method=index

Pull Request - State: closed - Opened by rhshadrach 8 months ago - 1 comment
Labels: Bug, Missing-data, Regression

#61182 - BUG: Negation of `.str.isnumeric()` changes `dtype` when `pd.NA` is present

Issue - State: closed - Opened by noahblakesmith 8 months ago - 9 comments
Labels: Bug, Missing-data, Strings, Needs Discussion, Closing Candidate

#61149 - BUG: Added deprecation warning to Timestamp constructor

Pull Request - State: closed - Opened by j-hendricks 8 months ago - 3 comments
Labels: Missing-data, Deprecate, Stale, Timestamp

#61122 - BUG: ``Series.interpolate`` regression in latest Pandas 3.0.0 nightly (method 'linear' behaves like 'index')

Issue - State: closed - Opened by theOehrly 8 months ago - 7 comments
Labels: Bug, Missing-data, Regression, Blocker

#61022 - BUG: Fix bug in to_datetime that occasionally throws FloatingPointErr…

Pull Request - State: closed - Opened by snitish 9 months ago
Labels: Datetime, Missing-data

#60985 - BUG(string dtype): groupby/resampler.min/max returns float on all NA strings

Pull Request - State: closed - Opened by rhshadrach 9 months ago - 4 comments
Labels: Bug, Groupby, Missing-data, Strings, Reduction Operations

#60936 - BUG(string dtype): Empty sum produces incorrect result

Pull Request - State: closed - Opened by rhshadrach 9 months ago - 4 comments
Labels: Groupby, Missing-data, Strings

#60936 - BUG(string dtype): Empty sum produces incorrect result

Pull Request - State: open - Opened by rhshadrach 9 months ago
Labels: Groupby, Missing-data, Strings

#60908 - BUG: `ValueError: Length of values (5) does not match length of index (4)` when subtracting two series with MultIndex and Index and nan values

Issue - State: open - Opened by ssche 9 months ago
Labels: Bug, Indexing, Missing-data, MultiIndex, Needs Triage

#60898 - Bug cov nat

Pull Request - State: closed - Opened by fbourgey 9 months ago - 5 comments
Labels: Datetime, Missing-data

#60898 - Bug cov nat

Pull Request - State: closed - Opened by fbourgey 9 months ago - 2 comments
Labels: Datetime, Missing-data

#60870 - PERF: Regression in groupby ops from adding skipna

Issue - State: closed - Opened by rhshadrach 10 months ago - 2 comments
Labels: Groupby, Missing-data, Performance, Regression

#60772 - BUG: Add fillna at the beginning of _where not to fill NA. #60729

Pull Request - State: open - Opened by sanggon6107 10 months ago - 4 comments
Labels: Bug, Missing-data

#60752 - ENH: Support skipna parameter in GroupBy min, max, prod, median, var, std and sem methods

Pull Request - State: closed - Opened by snitish 10 months ago - 4 comments
Labels: Enhancement, Groupby, Missing-data

#60736 - BUG: Fixed TypeError for Series.isin() when large series and values contains NA (#60678)

Pull Request - State: closed - Opened by akj2018 10 months ago - 1 comment
Labels: Missing-data, Algos

#60736 - BUG: Fixed TypeError for Series.isin() when large series and values contains NA (#60678)

Pull Request - State: closed - Opened by akj2018 10 months ago
Labels: Missing-data, Algos

#60729 - BUG: Series.mask incorrectly replaces positions of pd.NA in the cond argument

Issue - State: open - Opened by kartoria 10 months ago - 7 comments
Labels: Bug, Missing-data, NA - MaskedArrays, Arrow

#60688 - BUG: ValueError in pandas.DataFrame.replace with regex on single-row DataFrame with None/NaN

Issue - State: closed - Opened by martinandrovich 10 months ago - 3 comments
Labels: Bug, Missing-data, replace

#60653 - TST (string dtype): clean-up interpolate tests

Pull Request - State: open - Opened by jorisvandenbossche 11 months ago
Labels: Testing, Missing-data, Strings

#60653 - TST (string dtype): clean-up interpolate tests

Pull Request - State: open - Opened by jorisvandenbossche 11 months ago - 2 comments
Labels: Testing, Missing-data, Strings, Stale

#60649 - Backport PR #60454 on branch 2.3.x (String dtype: coerce missing values in indexers for string dtype Index)

Pull Request - State: closed - Opened by meeseeksmachine 11 months ago - 1 comment
Labels: Indexing, Missing-data, Strings

#60649 - Backport PR #60454 on branch 2.3.x (String dtype: coerce missing values in indexers for string dtype Index)

Pull Request - State: closed - Opened by meeseeksmachine 11 months ago - 1 comment
Labels: Indexing, Missing-data, Strings

#60642 - BUG: MultiIndex union/difference not commutative

Issue - State: open - Opened by ssche 11 months ago
Labels: Bug, Missing-data, MultiIndex, Index, Needs Triage, setops

#60637 - BUG/TST (string dtype): raise proper TypeError in interpolate

Pull Request - State: closed - Opened by rhshadrach 11 months ago - 3 comments
Labels: Testing, Missing-data, Strings

#60637 - Str xfail interpolate

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

#60567 - BUG: groupby with dropna=False and pa.dictionary drops NA values

Issue - State: open - Opened by rhshadrach 11 months ago
Labels: Groupby, Missing-data, Arrow

#60463 - BUG: Fix keyerror bug when indexing multiindex columns with NaT values

Pull Request - State: closed - Opened by snitish 12 months ago
Labels: Indexing, Missing-data

#60463 - BUG: Fix keyerror bug when indexing multiindex columns with NaT values

Pull Request - State: closed - Opened by snitish 12 months ago - 1 comment
Labels: Indexing, Missing-data

#60454 - String dtype: coerce missing values in indexers for string dtype Index

Pull Request - State: closed - Opened by jorisvandenbossche 12 months ago - 2 comments
Labels: Indexing, Missing-data, Strings

#60454 - String dtype: coerce missing values in indexers for string dtype Index

Pull Request - State: open - Opened by jorisvandenbossche 12 months ago
Labels: Indexing, Missing-data, Strings

#60388 - BUG: cannot locate multiIndex column when NaT is in column

Issue - State: closed - Opened by CraigMeng 12 months ago - 3 comments
Labels: Bug, Indexing, Missing-data, MultiIndex, PDEP missing values

#60286 - TST: Add test for `pd.read_csv` date parsing not working with `dtype_backend="pyarrow"` and missing values

Pull Request - State: closed - Opened by KevsterAmp about 1 year ago - 1 comment
Labels: Testing, Missing-data, IO CSV, Arrow

#60286 - TST: Add test for `pd.read_csv` date parsing not working with `dtype_backend="pyarrow"` and missing values

Pull Request - State: closed - Opened by KevsterAmp about 1 year ago - 2 comments
Labels: Testing, Missing-data, IO CSV, Arrow

#60247 - DOC: Additions/updates documentation for df.interpolate() methods #60227

Pull Request - State: open - Opened by anishkarki about 1 year ago - 2 comments
Labels: Docs, Missing-data

#60227 - DOC: Improve documentation df.interpolate() for methods ‘time’, ‘index’ and ‘values’

Issue - State: closed - Opened by aleksejs-fomins about 1 year ago - 2 comments
Labels: Docs, Missing-data

#60106 - BUG: isna() does not catch np.NaN when datatype is Float64

Issue - State: closed - Opened by mortnstak about 1 year ago - 5 comments
Labels: Bug, Missing-data, Needs Discussion, NA - MaskedArrays, PDEP missing values

#60002 - Typing: More precise NaT stub

Pull Request - State: closed - Opened by randolf-scholz about 1 year ago - 1 comment
Labels: Missing-data, Typing

#59997 - BUG: fix #59965 skipna=True operations don't skip NaN in FloatingArrays

Pull Request - State: closed - Opened by cooolheater about 1 year ago - 3 comments
Labels: Missing-data, NA - MaskedArrays, Stale, Reduction Operations

#59995 - Typing: Added missing methods to `NaTType` stub

Pull Request - State: closed - Opened by randolf-scholz about 1 year ago
Labels: Missing-data, Typing

#59995 - Typing: Added missing methods to `NaTType` stub

Pull Request - State: closed - Opened by randolf-scholz about 1 year ago - 1 comment
Labels: Missing-data, Typing

#59904 - BUG: pd.read_csv date parsing not working with dtype_backend="pyarrow" and missing values

Issue - State: closed - Opened by mhabets about 1 year ago - 12 comments
Labels: Bug, Missing-data, IO CSV, good first issue, Needs Tests, Arrow

#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

#59831 - ENH: Restore the functionality of `.fillna`

Issue - State: closed - Opened by tomprimozic about 1 year ago - 5 comments
Labels: Enhancement, Missing-data, Dtype Conversions, Needs Discussion, Needs Info, Closing Candidate

#59782 - BUG: groupby().any() returns true for groups with timedelta all NaT

Pull Request - State: closed - Opened by Petroncini about 1 year ago - 3 comments
Labels: Bug, Groupby, Missing-data, Timedelta, Reduction Operations

#59765 - API: handling of missing values in Index.__contains__

Issue - State: open - Opened by jorisvandenbossche about 1 year ago
Labels: Missing-data, Index, API - Consistency

#59750 - BUG: Fix groupby().any() behavior for timedelta columns with all null valuesfix issue #59712

Pull Request - State: closed - Opened by 40gilad about 1 year ago - 8 comments
Labels: Bug, Groupby, Missing-data, Stale

#59750 - BUG: Fix groupby().any() behavior for timedelta columns with all null valuesfix issue #59712

Pull Request - State: closed - Opened by 40gilad about 1 year ago - 8 comments
Labels: Bug, Groupby, Missing-data, Stale

#59503 - TYP: Fix NatType.combine type definition

Pull Request - State: closed - Opened by mroeschke over 1 year ago
Labels: Missing-data, Typing

#59503 - TYP: Fix NatType.combine type definition

Pull Request - State: closed - Opened by mroeschke over 1 year ago
Labels: Missing-data, Typing

#59390 - ENH: Add option for DataFrame.compare and Series.compare to overlook differences involving missing values

Issue - State: closed - Opened by qmarcou over 1 year ago - 4 comments
Labels: Enhancement, Missing-data, Closing Candidate

#59303 - QST: Is this expected behavior when pd.read_csv() with na_values arguments?

Issue - State: closed - Opened by sshu2017 over 1 year ago - 12 comments
Labels: Bug, Missing-data, IO CSV

#59122 - BUG: 0/0 with arrow backend is not "NA"

Issue - State: closed - Opened by b-phi over 1 year ago - 4 comments
Labels: Missing-data, Arrow

#59069 - Fix insertion of None value in MultiIndex

Pull Request - State: closed - Opened by chaoyihu over 1 year ago
Labels: Missing-data, MultiIndex

#59069 - Fix insertion of None value in MultiIndex

Pull Request - State: closed - Opened by chaoyihu over 1 year ago - 1 comment
Labels: Missing-data, MultiIndex

#59050 - BUG: Limit param of fillna method does not work for pd.Int64Dtype()

Issue - State: closed - Opened by razvan-ciobanu over 1 year ago - 2 comments
Labels: Bug, Missing-data, ExtensionArray, Closing Candidate

#58938 - BUG: default value for dtype_backend is not applied by default

Issue - State: closed - Opened by pumpkinlink over 1 year ago - 5 comments
Labels: Docs, Missing-data, Dtype Conversions

#58847 - feat!: Removes `inplace` option for `pandas.core.resample.Resampler.i…

Pull Request - State: closed - Opened by cbpygit over 1 year ago - 8 comments
Labels: Missing-data, Resample, Stale, inplace

#58847 - feat!: Removes `inplace` option for `pandas.core.resample.Resampler.i…

Pull Request - State: closed - Opened by cbpygit over 1 year ago - 8 comments
Labels: Missing-data, Resample, Stale, inplace

#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

#58742 - DOC: Whatsnew for DataFrameGroupBy.__len__ with NA values bugfix

Pull Request - State: closed - Opened by rhshadrach over 1 year ago - 2 comments
Labels: Docs, Groupby, Missing-data

#58730 - ENH: Processing of .mask() for pd.NA #56844

Pull Request - State: closed - Opened by mafaldam over 1 year ago - 5 comments
Labels: Missing-data, Stale

#58730 - ENH: Processing of .mask() for pd.NA #56844

Pull Request - State: closed - Opened by mafaldam over 1 year ago - 5 comments
Labels: Missing-data, Stale

#58690 - BUG: In `main`, using `resample().interpolate(inplace=True)` raises an exception

Issue - State: open - Opened by Dr-Irv over 1 year ago - 9 comments
Labels: Bug, Missing-data, Resample, Deprecate

#58249 - BUG: Implement fillna(..., limit=x) for EAs

Pull Request - State: closed - Opened by rhshadrach over 1 year ago - 1 comment
Labels: Bug, Missing-data, ExtensionArray

#58249 - BUG: Implement fillna(..., limit=x) for EAs

Pull Request - State: closed - Opened by rhshadrach over 1 year ago
Labels: Bug, Missing-data, ExtensionArray

#58163 - DOC: Add notes to nullable types documentation about pd.NA column type

Pull Request - State: closed - Opened by giormala over 1 year ago - 2 comments
Labels: Docs, Missing-data, NA - MaskedArrays

#58163 - DOC: Add notes to nullable types documentation about pd.NA column type

Pull Request - State: closed - Opened by giormala over 1 year ago - 1 comment
Labels: Docs, Missing-data, NA - MaskedArrays

#58136 - ENH: Processing of .mask() for pd.NA #56844

Pull Request - State: closed - Opened by mafaldam over 1 year ago - 3 comments
Labels: Missing-data

#58085 - ENH: Enable fillna(value=None)

Pull Request - State: closed - Opened by rhshadrach over 1 year ago
Labels: Enhancement, Missing-data

#58085 - ENH: Enable fillna(value=None)

Pull Request - State: closed - Opened by rhshadrach over 1 year ago - 1 comment
Labels: Enhancement, Missing-data

#58083 - CLN: move raising TypeError for `interpolate` with `object` dtype to Block

Pull Request - State: closed - Opened by natmokval over 1 year ago - 1 comment
Labels: Missing-data, Clean

#58072 - Add `strict_na` keyword to the assert_.._equal methods for object dtype to help with deprecation

Pull Request - State: open - Opened by jorisvandenbossche over 1 year ago - 7 comments
Labels: Testing, Missing-data, Stale

#58019 - CLN/PERF: Simplify argmin/argmax

Pull Request - State: closed - Opened by rhshadrach over 1 year ago
Labels: Missing-data, Performance, Clean, Reduction Operations

#58019 - CLN/PERF: Simplify argmin/argmax

Pull Request - State: closed - Opened by rhshadrach over 1 year ago - 1 comment
Labels: Missing-data, Performance, Clean, Reduction Operations

#58001 - BUG: Implement `fillna(..., limit=x)` for EAs

Issue - State: closed - Opened by rhshadrach over 1 year ago
Labels: Bug, Missing-data, ExtensionArray

#57997 - REF: Use numpy set methods in interpolate

Pull Request - State: open - Opened by mroeschke over 1 year ago
Labels: Refactor, Missing-data

#57989 - BUG: CONTAINS_OP run on pd.NA results in pd.NAType.__bool__ call

Issue - State: open - Opened by filip-komarzyniec over 1 year ago - 8 comments
Labels: Bug, Missing-data

#57983 - CLN: Enforce deprecations for EA.fillna

Pull Request - State: closed - Opened by rhshadrach over 1 year ago - 2 comments
Labels: Missing-data, Clean, ExtensionArray