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62 Open 1,616 Closed
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Issues list

pandas.Series.groupby example is not relevant Docs good first issue
#59309 opened Jul 25, 2024 by n49o7
1
@ApoorvApoorv
6
DOC: "Accelerated operations" talks about speedup in obsolete versions of Pandas Docs good first issue
#59130 opened Jun 28, 2024 by wjandrea
1 task done
1
@TheRockStarDBA
6
TST: mixed_int_string Index good first issue Index Related to the Index class or subclasses Testing pandas testing functions or related to the test suite
#54072 opened Jul 10, 2023 by jbrockmendel
2
@josephwillard @Pranav-Wadhwa @PurnashisHazra
13
BUG: Add numeric_only to function signature of DataFrameGroupBy.cumprod and `DataFrameGroupBy.cumsum Bug Clean good first issue Groupby
#53071 opened May 4, 2023 by phofl
3 tasks done
2
@willhsp
11
DOC: Fix docs for various offset constructors Docs Frequency DateOffsets good first issue
#52431 opened Apr 5, 2023 by Dr-Irv
1 task done
@choudharynishu @vinitaparasrampuria
20
DOC: Simplify pandas theme footer Docs good first issue
#51536 opened Feb 21, 2023 by datapythonista
1
@HaripriyaGnanasekaran
8
BUG: _validate_setitem_value fails to raise for PandasArray Bug ExtensionArray Extending pandas with custom dtypes or arrays. good first issue Indexing Related to indexing on series/frames, not to indexes themselves
#51044 opened Jan 28, 2023 by jbrockmendel
4
@dbalagula @maushumee
@Jacsep @yiorgosynkl
22
BUG: numpy.maximum(pandas.Timestamp(...), pandas.Series(..., dtype='datetime64')) fails with TypeError good first issue Needs Tests Unit test(s) needed to prevent regressions
#50864 opened Jan 19, 2023 by hottwaj
2 of 3 tasks
1
@Tirthraj93
6
CLN: Use dedup_names in all instances where duplicate column names are renamed Clean good first issue IO HTML read_html, to_html, Styler.apply, Styler.applymap
#50371 opened Dec 21, 2022 by datapythonista
1
@hamedgibago
23
Information for new contributors good first issue
#49275 opened Oct 24, 2022 by noatamir
9
ENH: Expose to_pandas_kwargs in read_parquet for pyarrow engine Arrow pyarrow functionality Enhancement good first issue IO Parquet parquet, feather
#49236 opened Oct 21, 2022 by TomAugspurger
1 of 3 tasks
2
@FilipRazek @akashthemosh
3
STYLE replace flake8-rst with something maintained Code Style Code style, linting, code_checks good first issue
#46865 opened Apr 25, 2022 by MarcoGorelli
1
@stevenhastings
13
BUG: DataFrame.to_parquet doesn't round-trip pyarrow StringDtype Docs good first issue IO Parquet parquet, feather Strings String extension data type and string data
#42664 opened Jul 22, 2021 by TomAugspurger
2 of 3 tasks
2
@Sara-cos
14
BUG (?): dtype.value_counts() shows categorical multiple times Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Categorical Categorical Data Type Docs good first issue
#40735 opened Apr 1, 2021 by MarcoGorelli
3 tasks done
1
@jahn96 @HoWeiChin
18
DOC: Additional items for the cheat sheet Docs good first issue
#40680 opened Mar 29, 2021 by Dr-Irv
@kunal21sinha
36
DOC: add button to edit on GitHub Docs good first issue Needs Discussion Requires discussion from core team before further action
#39859 opened Feb 17, 2021 by afeld
2
@ADing4818
14
DOC: Reindexing behaviour of dataframe column-assignment missing Docs good first issue Indexing Related to indexing on series/frames, not to indexes themselves
#39845 opened Feb 16, 2021 by fish-face
1
@marco-georgaklis
8
DOC: .str.cat output in case of Index object Docs good first issue
#35556 opened Aug 4, 2020 by galipremsagar
2 of 3 tasks
1
@souris-dev
7
BUG: read_sql no longer works simply with SqlAlchemy selectables and a quick fix good first issue IO SQL to_sql, read_sql, read_sql_query Needs Tests Unit test(s) needed to prevent regressions
#35484 opened Jul 30, 2020 by machow
3 tasks done
1
@VedangPokharkar
10
BUG: groupby.sum() is inconsistent with df.sum() for large integers Bug Dtype Conversions Unexpected or buggy dtype conversions good first issue Groupby Needs Tests Unit test(s) needed to prevent regressions Reduction Operations sum, mean, min, max, etc.
#34681 opened Jun 9, 2020 by tom-weiss
1 task
@deejlucas
21
Extreme performance issue in pandas 1.0.3 when setting a new column with DatetimeIndex Benchmark Performance (ASV) benchmarks Datetime Datetime data dtype good first issue Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#34531 opened Jun 2, 2020 by derHeinzer
10
DOC: Single Document For Code Guidelines Code Style Code style, linting, code_checks Docs good first issue
#33851 opened Apr 28, 2020 by Stockfoot
1
@arneja-arnav
21
Fix capitalization among headings in documentation files Docs good first issue
#32550 opened Mar 9, 2020 by tonywu1999 100+
1
@themien @ShyamDesai
@Ayushihelloworld @harsimran44 @SomtochiUmeh @kswarj @suresh33661
48
WEB: Multiple "Getting Started" on pandas.io leads to different links good first issue Web pandas website
#32307 opened Feb 27, 2020 by mroeschke
@dbalagula @SouravPal1995
13
startingMonth ignored on non-unitary Quarter periods Frequency DateOffsets good first issue Needs Tests Unit test(s) needed to prevent regressions Resample resample method
#29576 opened Nov 12, 2019 by aulemahal
1
@joshdelg @KatsiarynaDzibrova
6
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