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Pull requests list

Backport PR #27511 on branch 0.25.x (BUG: display.precision of negative complex numbers) Complex Complex Numbers Output-Formatting __repr__ of pandas objects, to_string
#27587 by meeseeksmachine was merged Jul 25, 2019 Loading… 0.25.1
Test for segfault in factorize (gh12666) Bug Complex Complex Numbers Testing pandas testing functions or related to the test suite
#14112 by mralgos was merged Aug 31, 2016 Loading…
2 of 3 tasks
0.19.0
1
2
BUG: GH12902 fixed coercion of complex values to float when using gro… Bug Complex Complex Numbers Groupby
#12917 by adneu was closed Apr 18, 2016 Loading…
4 tasks done
0.18.1
1
2
BUG: setitem into complex64 overflow Bug Complex Complex Numbers Indexing Related to indexing on series/frames, not to indexes themselves
#45285 by jbrockmendel was merged Jan 16, 2022 Loading…
4 tasks done
1.5
1
2
BUG: complex is cast to float in sum with level arg Complex Complex Numbers Dtype Conversions Unexpected or buggy dtype conversions
#9828 by joe1gi was closed May 9, 2015 Loading…
3
BUG: DataFrame constructor should not promote complex64 dtypes (GH10952) API Design Complex Complex Numbers Dtype Conversions Unexpected or buggy dtype conversions
#10975 by ajcr was closed Sep 3, 2015 Loading… 0.17.0
3
ENH: Index[complex] Complex Complex Numbers
#45845 by jbrockmendel was merged Feb 10, 2022 Loading…
4 tasks
1.5
3
remove ops div class to solve #21374 Complex Complex Numbers expressions pd.eval, query
#59144 by mutricyl was merged Jul 1, 2024 Loading…
6 tasks done
3.0
1
3
BUG: bad display for complex series with nan Complex Complex Numbers Output-Formatting __repr__ of pandas objects, to_string
#53764 by Charlie-XIAO was merged Jun 22, 2023 Loading…
2 of 4 tasks
2.1
1
4
BUG: complex Series/DataFrame display all complex nans as nan+0j Complex Complex Numbers Output-Formatting __repr__ of pandas objects, to_string
#53844 by Charlie-XIAO was merged Jun 26, 2023 Loading…
4 tasks done
2.1
1
4
TST: MultiIndex with complex Complex Complex Numbers Testing pandas testing functions or related to the test suite
#43184 by debnathshoham was merged Aug 26, 2021 Loading…
3 tasks done
1.4
1
4
BUG: displaying NaN in complex numbers does not work Complex Complex Numbers Output-Formatting __repr__ of pandas objects, to_string Stale
#50155 by phofl was closed Feb 22, 2023 Loading…
5 tasks done
1
5
BUG: series with complex nan Complex Complex Numbers Constructors Series/DataFrame/Index/pd.array Constructors
#53682 by Charlie-XIAO was merged Jun 20, 2023 Loading…
4 tasks done
2.1
1
5
BUG: display.precision of negative complex numbers Bug Complex Complex Numbers Output-Formatting __repr__ of pandas objects, to_string
#27511 by mroeschke was merged Jul 25, 2019 Loading…
5 tasks done
0.25.1
1
6
Preserve Complex Data Types for to_csv Complex Complex Numbers Enhancement IO CSV read_csv, to_csv Needs Discussion Requires discussion from core team before further action
#61157 by Jaspvr was closed May 9, 2025 Loading…
1
7
BUG: groupby mean fails for complex Complex Complex Numbers Groupby
#43756 by debnathshoham was merged Sep 30, 2021 Loading…
4 tasks done
1.4
1
10
BUG: use cmath to test complex number equality in pandas._testing Complex Complex Numbers Testing pandas testing functions or related to the test suite
#36580 by arw2019 was merged Oct 1, 2020 Loading…
5 tasks done
1.2
1
10
BUG: Fix convert_dtype complex Bug Complex Complex Numbers Dtype Conversions Unexpected or buggy dtype conversions
#62960 by Ma-gi-cian was merged Nov 18, 2025 Loading…
4 tasks done
3.0
1
10
BUG: Fixes #54617 Dataframe to html for empty array with complex dtypes Complex Complex Numbers IO HTML read_html, to_html, Styler.apply, Styler.applymap
#54451 by soumya1729 was merged Aug 8, 2023 Loading…
4 of 5 tasks
2.1
1
11
catch complex nan in util.is_nan, de-dup+optimize libmissing, tests Complex Complex Numbers Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#24628 by jbrockmendel was merged Jan 5, 2019 Loading…
3 of 4 tasks
0.24.0
1
13
BUG: json invoke default handler for unsupported numpy dtypes Bug Complex Complex Numbers Enhancement IO JSON read_json, to_json, json_normalize
#12878 by Komnomnomnom was closed Apr 27, 2016 Loading…
6 of 7 tasks
0.18.1
1
22
PERF: Introducing hash tables for complex64 and complex128 Complex Complex Numbers Performance Memory or execution speed performance
#38179 by realead was merged Dec 30, 2020 Loading…
3 of 4 tasks
1.3
24
Enable many tests for complex numbers Complex Complex Numbers Testing pandas testing functions or related to the test suite
#54441 by MichaelTiemannOSC was closed Aug 24, 2023 Loading…
1 of 5 tasks
27
BUG: Enable complex values to be written to HDF Complex Complex Numbers IO HDF5 read_hdf, HDFStore
#10473 by bashtage was merged Jul 13, 2015 Loading… 0.17.0
1
28
Complex Dtype Support for Hashmap Algos Complex Complex Numbers
#36482 by alimcmaster1 was merged Sep 4, 2021 Loading…
4 tasks done
1.4
1
51
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