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Issues list

BUG: CustomBusinessDay not respecting calendar Bug Frequency DateOffsets good first issue
#60647 opened Jan 2, 2025 by benmgrant
2 of 3 tasks
1
@qscgy
6
BUG: value_counts() returns error/wrong result with PyArrow categorical columns with nulls Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Arrow pyarrow functionality Bug Categorical Categorical Data Type good first issue
#60563 opened Dec 14, 2024 by lmoasdev
2 of 3 tasks
1
@NOBODIDI @hardeybisey @yanweiSu
8
ENH: Passing a single value to .describe(percentiles = [0.25]) returns 25th- and 50th-percentile Enhancement good first issue
#60550 opened Dec 12, 2024 by ZenithClown
3 tasks done
1
@yanweiSu
5
TST: Make test_sql.py parallelizable good first issue IO SQL to_sql, read_sql, read_sql_query Testing pandas testing functions or related to the test suite
#60378 opened Nov 20, 2024 by WillAyd
1 of 3 tasks
1
@UmbertoFasci
8
BUG: .convert_dtypes(dtype_backend="pyarrow") strips timezone from tz-aware pyarrow timestamp Series Arrow pyarrow functionality Bug Dtype Conversions Unexpected or buggy dtype conversions good first issue Localization Internationalization of data
#60237 opened Nov 8, 2024 by jamesdow21
3 tasks done
1
@NOBODIDI @Koookadooo @road-1
9
DOC: fix docstring validation errors for pandas.Timedelta/pandas.TimedeltaIndex Code Style Code style, linting, code_checks Docs good first issue
#59698 opened Sep 3, 2024 by natmokval
1
@TheRockStarDBA
25
DOC: fix docstring validation errors for pandas.Series Code Style Code style, linting, code_checks Docs good first issue
#59592 opened Aug 24, 2024 by natmokval
35
DOC: fix docstring validation errors for pandas.Timestamp Code Style Code style, linting, code_checks Docs good first issue
#59458 opened Aug 9, 2024 by natmokval
25
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 @yoav-edelist
17
DOC: Fix docs for various offset constructors Docs Frequency DateOffsets good first issue
#52431 opened Apr 5, 2023 by Dr-Irv
1 task done
@NavaneetthaSundararaj @choudharynishu
@Siniade @vinitaparasrampuria
29
DOC: Simplify pandas theme footer Docs good first issue
#51536 opened Feb 21, 2023 by datapythonista
2
@HaripriyaGnanasekaran
10
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
26
Information for new contributors good first issue
#49275 opened Oct 24, 2022 by noatamir
9
STYLE replace flake8-rst with something maintained Code Style Code style, linting, code_checks good first issue
#46865 opened Apr 25, 2022 by MarcoGorelli
2
@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
DOC: Additional items for the cheat sheet Docs good first issue
#40680 opened Mar 29, 2021 by Dr-Irv
1
@kunal21sinha
39
DOC: add button to edit on GitHub Docs good first issue
#39859 opened Feb 17, 2021 by afeld
2
@ADing4818
16
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
11
BUG: len(df.groupby(..., dropna=False)) raises ValueError: Categorical categories cannot be null Bug good first issue Groupby Needs Tests Unit test(s) needed to prevent regressions
#35202 opened Jul 9, 2020 by ssche
3 tasks done
3.0
@charlesdong1991
9
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
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
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
14
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
2
@joshdelg @KatsiarynaDzibrova
6
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