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Pull requests list

BUG: Respect usecols even with empty data Bug IO CSV read_csv, to_csv
#12506 by gfyoung was closed Apr 13, 2016 Loading… 0.18.1
1
161
ENH: Cleanup backend for Offsets and Period Bug Frequency DateOffsets
#5148 by cancan101 was closed Jul 28, 2014 Loading… 0.15.0
5
143
BUG, ENH: Add support for parsing duplicate columns Bug IO CSV read_csv, to_csv
#12935 by gfyoung was closed May 23, 2016 Loading… 0.19.0
136
API/BUG: Handling Dtype Coercions in Series/Index (GH 15832) Bug Dtype Conversions Unexpected or buggy dtype conversions
#15859 by ucals was closed Aug 17, 2017 Loading…
4 tasks done
1
133
fix to_json for numbers larger than sys.maxsize Bug IO JSON read_json, to_json, json_normalize
#34473 by arw2019 was merged Jun 24, 2020 Loading…
6 tasks done
1.1
1
125
DF.__setitem__ creates extension column when given extension scalar Bug ExtensionArray Extending pandas with custom dtypes or arrays. Indexing Related to indexing on series/frames, not to indexes themselves
#34875 by justinessert was merged Jul 11, 2020 Loading…
5 tasks done
1.1
122
pct change bug issue 21200 Bug Groupby
#21235 by simonariddell was merged Dec 12, 2018 Loading…
3 tasks done
0.24.0
2
110
solve "Int64 with null value mangles large-ish integers" problem Bug ExtensionArray Extending pandas with custom dtypes or arrays.
#30282 by rushabh-v was closed Nov 26, 2020 Loading…
4 of 5 tasks
1
106
BUG: Ensure 'coerce' actually coerces datatypes API Design Bug Dtype Conversions Unexpected or buggy dtype conversions
#10265 by bashtage was merged Jul 14, 2015 Loading… 0.17.0
1
104
BUG: names on union and intersection for Index were inconsistent (GH9943 GH9862) Bug Indexing Related to indexing on series/frames, not to indexes themselves Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#19849 by Dr-Irv was merged Nov 6, 2018 Loading…
3 tasks done
0.24.0
1
102
BUG/REF: TimedeltaIndex.__new__ Bug Datetime Datetime data dtype Refactor Internal refactoring of code Timedelta Timedelta data type
#23539 by jbrockmendel was merged Nov 11, 2018 Loading… 0.24.0
101
EHN/FIX: Add na_last parameter to DataFrame.sort. Fixes GH3917 Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#5231 by unutbu was merged Mar 27, 2014 Loading… 0.14.0
1
97
Emit warning for missing labels in Multiindex.loc[[...]] (and more) Bug Compat pandas objects compatability with Numpy or Python functions Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#20770 by toobaz was merged May 1, 2018 Loading…
6 tasks done
0.23.0
3
95
BUG: Fix #13149 and ENH: 'copy' param in Index.astype() Bug Dtype Conversions Unexpected or buggy dtype conversions
#13209 by pijucha was closed May 23, 2016 Loading…
4 tasks done
0.19.0
1
94
BUG: Index.union() inconsistent with non-unique Indexes Bug Index Related to the Index class or subclasses
#36299 by phofl was merged Mar 4, 2021 Loading…
6 tasks done
1.3
2
94
REF: Fix maybe_promote Algos Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff Bug Dtype Conversions Unexpected or buggy dtype conversions
#25425 by h-vetinari was closed Oct 30, 2019 Loading…
3 tasks done
1
93
BUG: Fixes GH9311 groupby on datetime64 Bug Dtype Conversions Unexpected or buggy dtype conversions Groupby
#9345 by chrisbyboston was merged Feb 14, 2015 Loading… 0.16.0
2
93
BUG in clipboard (linux, python2) with unicode and separator (GH13747) Bug IO Data IO issues that don't fit into a more specific label Unicode Unicode strings
#14599 by aileronajay was closed Nov 18, 2016 Loading…
3 tasks done
0.19.2
4
93
FIX BUG: Timestamp __add__/__sub__ DateOffset with nanoseconds lost. Bug Frequency DateOffsets
#43968 by tushushu was merged Dec 17, 2021 Loading…
4 tasks done
1.4
1
93
#31793 Add support for subtracting datetime from Timestamp Bug Dtype Conversions Unexpected or buggy dtype conversions Timezones Timezone data dtype
#37329 by AnjoMan was merged Dec 28, 2021 Loading…
5 tasks done
1.4
1
92
BUG: fix raise of TypeError when subtracting timedelta array Bug Timedelta Timedelta data type
#22054 by illegalnumbers was merged Sep 18, 2018 Loading…
4 tasks done
0.24.0
1
91
BUG, ENH: Read Data From Password-Protected URL's and allow self signed SSL certs Bug Enhancement IO Data IO issues that don't fit into a more specific label
#16910 by skynss was closed Jan 21, 2018 Loading…
4 tasks done
1
90
BUG: Fix parse_dates processing with usecols and C engine Bug IO CSV read_csv, to_csv
#12512 by gfyoung was closed Apr 6, 2016 Loading… 0.18.1
2
88
Fix nsmallest/nlargest With Identical Values Bug Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#15299 by RogerThomas was closed Apr 6, 2017 Loading…
4 tasks done
0.20.0
1
84
FIX: fix interpolate with kwarg limit area and limit direction using pad or bfill Bug Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#31048 by cchwala was closed Nov 27, 2020 Loading…
5 tasks done
1
82
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