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Issues list

ENH: Should groupby's value_counts sorts on count before proportion is computed Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement Groupby Needs Discussion Requires discussion from core team before further action
#59725 opened Sep 5, 2024 by sfc-gh-joshi
3 tasks done
1
BUG: MultiIndex.factorize fails if index is 0-length Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Index Related to the Index class or subclasses
#57517 opened Feb 20, 2024 by batterseapower
2 of 3 tasks
3
BUG: Can not select in MultiIndex with NaN Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Needs Triage Issue that has not been reviewed by a pandas team member PDEP missing values Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
#56366 opened Dec 6, 2023 by moi90
2 of 3 tasks
7
DEPR: DataFrame.value_counts(sort=False) sorts Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Deprecate Functionality to remove in pandas Needs Discussion Requires discussion from core team before further action
#56007 opened Nov 16, 2023 by rhshadrach
1
ENH: Add a name parameter to value_counts() Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement Needs Discussion Requires discussion from core team before further action
#55121 opened Sep 13, 2023 by n-splv
2 of 3 tasks
3
BUG: pd.Series.describe ignores include, exclude arguments Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Error Reporting Incorrect or improved errors from pandas
#54193 opened Jul 19, 2023 by natalymr
3 tasks done
6
BUG: Series.unique() terminates strings prematurely on null Bytes Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Strings String extension data type and string data
#53720 opened Jun 19, 2023 by Nadrons
3 tasks done
@sudoWin
1
BUG: Axial inconsistency of pandas.diff Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug
#52579 opened Apr 10, 2023 by psads-git
2 of 3 tasks
2
@mikejigglypuff
2
PERF: groupby.value_counts Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement Groupby Performance Memory or execution speed performance
#51750 opened Mar 3, 2023 by rhshadrach
@adirajput2000
3
BUG: When applying Series.clip to ordered categorical data, the outcome is different from what is expected Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Categorical Categorical Data Type
#49217 opened Oct 20, 2022 by vitalizzare
3 tasks done
3
BUG: set_index on more than 1 column changes boolean values Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug hashing hash_pandas_object MultiIndex Needs Discussion Requires discussion from core team before further action
#46987 opened May 10, 2022 by alonme
3 tasks done
9
ENH: Add 'observed' parameter to value_counts Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement
#46486 opened Mar 23, 2022 by vishalsrao
@Aadharsh-Acharya
1
BUG: pandas.Series.unique() does not return correct unique values on \u string Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Strings String extension data type and string data
#45929 opened Feb 10, 2022 by cbhushan
2 of 3 tasks
2
@jamesholcombe
4
BUG: Even though dropna=True, Series.value_counts() with arguments normalize=True and bins=Union[int,IntervalIndex], it still counts pd.NA values. Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#44946 opened Dec 17, 2021 by jeojr
2 of 3 tasks
@tarsur909
1
BUG: Inconsistent behaviour for DataFrame.value_counts and Series.value_counts on categoricals Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Categorical Categorical Data Type
#44001 opened Oct 12, 2021 by corriebar
2 of 3 tasks
3
BUG: Incorrect factorization for ordinal vs nominal variable Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Categorical Categorical Data Type
#43617 opened Sep 17, 2021 by Intangible-pg18
3 tasks done
2
ENH: rolling rank followups Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Groupby Master Tracker High level tracker for similar issues Window rolling, ewma, expanding
#43579 opened Sep 15, 2021 by gsiano
4 tasks
ENH: Support DataFrame.searchsorted Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff DataFrame DataFrame data structure Enhancement Needs Discussion Requires discussion from core team before further action
#42872 opened Aug 3, 2021 by ChrisJar
4
BUG: .value_counts converts pd.NA to np.nan Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#42851 opened Aug 2, 2021 by JarnoRFB
2 of 3 tasks
2
BUG: applying value_counts to a column of a grouped dataframe results in inconsistent output types Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Apply Apply, Aggregate, Transform, Map Bug Groupby
#42608 opened Jul 19, 2021 by HaydenSansum
2 of 3 tasks
PERF/QST: Why isn't fillna cythonized? Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Performance Memory or execution speed performance
#42147 opened Jun 20, 2021 by lithomas1
1
@lithomas1
2
BUG: pd.Series.argsort misaligned index Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug
#42056 opened Jun 16, 2021 by cericson
2 of 3 tasks
1
4
API/BUG: freq retention in value_counts Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug freq retention User expects "freq" attribute to be preserved Frequency DateOffsets
#33830 opened Apr 27, 2020 by jbrockmendel
@bgollop
5
Dataframe Groupby value_counts with bins parameter Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Groupby
#32471 opened Mar 5, 2020 by scottboston
1
@DataInformer
3
[Feature Request] Add nancorr_biweightmidcorr to pandas._libs.algos Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Enhancement
#28657 opened Sep 27, 2019 by jolespin
3
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