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Pull requests list

REG: fix regression in df.corrwith on tied data when method is spearman Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Regression Functionality that used to work in a prior pandas version Stale
#49032 by GYHHAHA was closed Dec 6, 2022 • Review required
3 of 5 tasks
2.0
1
34
BUG: fix SparseArray.unique IndexError and _first_fill_value_loc algo Bug Sparse Sparse Data Type
#47810 by GYHHAHA was merged Jul 22, 2022 Loading…
3 of 4 tasks
1.5
1
5
PERF: efficient argmax/argmin for SparseArray ExtensionArray Extending pandas with custom dtypes or arrays. Performance Memory or execution speed performance Sparse Sparse Data Type
#47779 by GYHHAHA was merged Jul 27, 2022 Loading…
3 of 5 tasks
1.5
1
26
BUG: wide_to_long fails when stubname misses and i contains string type column Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#47757 by GYHHAHA was merged Jul 19, 2022 Loading…
4 of 5 tasks
1.5
1
6
BUG: groupby.corrwith fails with axis=1 and other=df Numeric Operations Arithmetic, Comparison, and Logical operations
#47731 by GYHHAHA was merged Jul 15, 2022 Loading…
2 of 3 tasks
1.5
1
3
TST: add test for groupby with dropna=False on multi-index Groupby Testing pandas testing functions or related to the test suite
#47717 by GYHHAHA was merged Jul 14, 2022 Loading…
2 of 5 tasks
1.5
1
1
BUG: df.fillna ignores axis when df is single block Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#47714 by GYHHAHA was merged Jul 14, 2022 Loading…
4 of 5 tasks
1.5
1
5
BUG: json_normalize raises boardcasting error with list-like metadata IO JSON read_json, to_json, json_normalize Stale
#47708 by GYHHAHA was closed Oct 24, 2022 Loading…
4 of 6 tasks
2
29
TST: avoid sort when concat int-index Dataframes with sort=False Reshaping Concat, Merge/Join, Stack/Unstack, Explode Testing pandas testing functions or related to the test suite
#47685 by GYHHAHA was merged Jul 12, 2022 Loading…
2 of 3 tasks
1.5
1
2
BUG: df.groupby().resample()[[cols]] without key columns raise KeyError Groupby Resample resample method
#47605 by GYHHAHA was merged Jul 11, 2022 Loading…
4 of 5 tasks
1.5
1
19
BUG: df.nsmallest get wrong results when NaN in the sorting column Numeric Operations Arithmetic, Comparison, and Logical operations
#46656 by GYHHAHA was merged Apr 10, 2022 Loading…
3 of 4 tasks
1.4.3
1
8
TST: add validation checks on levels keyword from pd.concat Error Reporting Incorrect or improved errors from pandas Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#46654 by GYHHAHA was merged Apr 7, 2022 Loading…
3 of 4 tasks
1.5
1
7
BUG: pd.concat with identical key leads to multi-indexing error Bug MultiIndex Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#46546 by GYHHAHA was merged Apr 5, 2022 Loading…
3 of 4 tasks
1.5
1
24
Add a new material in Community tutorials page Docs
#46523 by GYHHAHA was merged Mar 27, 2022 Loading… 1.5
2
PERF: faster dataframe construction from recarray Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#44827 by GYHHAHA was merged Dec 9, 2021 Loading…
3 of 4 tasks
1.4
1
5
BUG: CategoricalIndex.reindex fails when Index passed with labels all in category Categorical Categorical Data Type Indexing Related to indexing on series/frames, not to indexes themselves
#38492 by GYHHAHA was merged Dec 17, 2020 Loading…
3 of 5 tasks
1.3
1
3
ENH: add end and end_day origin for resample Enhancement Resample resample method
#38408 by GYHHAHA was merged Dec 22, 2020 Loading…
3 of 5 tasks
1.3
1
29
BUG: groupby.apply on the NaN group drops values with original axes return Apply Apply, Aggregate, Transform, Map Bug Groupby
#38257 by GYHHAHA was merged Dec 4, 2020 Loading…
3 of 5 tasks
1.2
1
2
BUG: array-like quantile fails on column groupby Bug Groupby
#38173 by GYHHAHA was merged Dec 2, 2020 Loading…
3 of 5 tasks
1.2
1
6
BUG: unexpected merge_ordered results caused by wrongly groupby Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#38170 by GYHHAHA was merged Dec 2, 2020 Loading…
4 of 6 tasks
1.2
2
4
BUG: merge_ordered fails with list-like left_by or right_by Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#38089 by GYHHAHA was merged Nov 29, 2020 Loading…
3 of 5 tasks
1.2
1
6
BUG: unstack with missing levels results in incorrect index names MultiIndex Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#38029 by GYHHAHA was merged Dec 31, 2020 Loading…
3 of 5 tasks
1.3
1
15
BUG: MultiIndex.drop does not raise if labels are partially found Bug MultiIndex
#37830 by GYHHAHA was merged Nov 26, 2020 Loading…
3 of 5 tasks
1.2
1
17
ENH: Add end and end_day options for origin from resample Enhancement Resample resample method
#37805 by GYHHAHA was closed Dec 11, 2020 Loading…
2 of 5 tasks
1
14
Dataframe.sum() returns an error with MultiIndex columns and skipna=False
#37695 by GYHHAHA was closed Nov 8, 2020 Loading…
5 tasks
1
2
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