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github.com/pandas-dev/pandas

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
https://github.com/pandas-dev/pandas

CLN: assorted (#56431)

* CLN: assorted

* CLN: assorted

* revert bit

* revert bit again

* mypy fixup

* re...

cbe1b321d928bb00ab9809f109ab483db2bb6b2d authored about 1 year ago by jbrockmendel <[email protected]>
WEB: Better management of releases (#56207)

db6fd22b6b1fceb8f8e6a2b23c7cb615b55c2c5e authored about 1 year ago by Dukastlik <[email protected]>
ENH: unify warning message in to_offset() (#56417)

* ENH: unify warning message for deprecated freqs

* correct warning message for deprecated ab...

f571ccef75aed37789e1d14cb3a54089c8ca3771 authored about 1 year ago by Natalia Mokeeva <[email protected]>
DOC: Minor improvements groupby user guide (#56465)

* DOC: Minor improvements groupby user guide

* breakup long line

acc395a0fe114f686096337bcf1170833a9de5ae authored about 1 year ago by Richard Shadrach <[email protected]>
DOC: fix a typo in Resampler.interpolate (#56469)

DOC: fix typo in Resampler.interpolate

c9480e19e81ff2c2e237c73e1b9117848855c9b5 authored about 1 year ago by Xiao Yuan <[email protected]>
DOC: replace deprecated freqs 'T', 'S', 'A' in docs and comments (#56464)

replace depr freqs T, S, A in comments and docs

54441fe1483ad3a2a36a385ed8070c9211e17351 authored about 1 year ago by Natalia Mokeeva <[email protected]>
REF: pass dtype to _from_sequence (#56436)

* REF: pass dtype to _from_sequence

* mypy fixup

* mypy fixup

* restore but better type...

14cf864c6e97269f6adc0e1146747aa9fd7234f1 authored about 1 year ago by jbrockmendel <[email protected]>
Update nlargest nsmallest doc (#56369)

* Update nlargest nsmallest doc

* double line break

* code review

* code review for nsm...

2a02b008a29a2e25919f0c736b1f9b611d28bfab authored about 1 year ago by MainHanzo <[email protected]>
DOC: Improve ``df.equals()`` docstring (#56458)

* DOC: Improve df.equals() docstring

* Update generic.py

* Update

cf2710d49b2255fb77ad8bf6fe30917b5b680df2 authored about 1 year ago by Linus Sommer <[email protected]>
DOC: Improve ``quantile`` docstring (#56457)

DOC: improve quantile docstring

e552626ede07e30503489d9b36518fded2c181e9 authored about 1 year ago by Linus Sommer <[email protected]>
TST: Improved test coverage for Styler.bar error conditions (#56341)

* Improved test coverage for Styler.bar error conditions

* Fixed the code style issue causing...

d352d5a012a59ca41203c7d9b49554d43de9f903 authored about 1 year ago by ccccjone <[email protected]>
DEPR: make_block (#56422)

* DEPR: make_block

* lint fixup

b0ffccd489badea508d0a83431f1aea019e294b7 authored about 1 year ago by jbrockmendel <[email protected]>
TST: de-duplicate PeriodIndex constructor tests (#56435)

* rename test_period_asfreq->test_period

* TST: de-duplicate PeriodIndex constructor tests

feacb6faccb6e1ce016b61e091b46c11ebbe86c9 authored about 1 year ago by jbrockmendel <[email protected]>
REF: get_supported_reso->get_supported_dtype (#56439)

8d259c09b88b4a154abc83d723d31538fe843769 authored about 1 year ago by jbrockmendel <[email protected]>
BUG: DataFrame.join with left or right empty not respecting sort=True (#56443)

* join with empty not respecting sort param

* whatsnew

5b6723cdb8cbf591761756f5c6f181df820e780a authored about 1 year ago by Luke Manley <[email protected]>
BUG: merge_asof raising incorrect error for strings (#56444)

fbd4fcddcdc0bd5e83d6d135111003fa6d2681a0 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust concat tests for string option (#56446)

224ea88399c250226bea0cc8eedf2f3d857f0bc0 authored about 1 year ago by Patrick Hoefler <[email protected]>
DOC: Improve ``io/excel/_base.py`` (#56453)

* Improve error message and add test

* Remove empty line

* update

* Fix line length

...

0dd6954284a74bbfb11350acff81a788afebdebc authored about 1 year ago by Linus Sommer <[email protected]>
Bump actions/setup-python from 4 to 5 (#56450)

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 4 to 5.
- [Release n...

5ad2251aa5181958f1c8163aeb4e09262c489703 authored about 1 year ago by dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Bump actions/stale from 8 to 9 (#56449)

Bumps [actions/stale](https://github.com/actions/stale) from 8 to 9.
- [Release notes](https://...

87c40c7dedddde1bf022d6d8f1d4a897acdf11a2 authored about 1 year ago by dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
CoW: Update test with read-only array (#56418)

400ae748367cf9a356b8433c1aa59f34033f02a4 authored about 1 year ago by Patrick Hoefler <[email protected]>
WEB: Add timeout for ci (#56440)

b4c9df811a234d50646540f9b4dc92ad39d7c77b authored about 1 year ago by Patrick Hoefler <[email protected]>
ENH: Make get_dummies return ea booleans for ea inputs (#56291)

* ENH: Make get_dummies return ea booleans for ea inputs

* ENH: Make get_dummies return ea bo...

9b51ab2ae6d16b4d599b99fd253aba00c959b41d authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in array folder for new string option (#56188)

* Adjust tests in array directory for new string option

* BUG: value_counts not preserving ob...

8aa7a96765ff4f5e2e157fdbacedc442381292b4 authored about 1 year ago by Patrick Hoefler <[email protected]>
CI: Fix mypy (#56428)

f0b61c561858da28d22a1df7c03787ce8f1b482f authored about 1 year ago by Patrick Hoefler <[email protected]>
DEPR: Disallow dtype inference when setting Index into DataFrame (#56102)

ee6a0626a42d531ece2de7fefdc514123690c191 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in strings folder for new string option (#56159)

* Adjust tests in strings folder for new string option

* BUG: translate losing object dtype w...

a61c556f6abdac6284bc27c52eb2ee452c543495 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust Index specific tests for string option (#56074)

* BUG: setitem casting object Index to arrow strings

* Fix

* Start fixing index tests

*...

91ddc8b66a0eef9312014387ce0108f1be29a3a9 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: read_csv not respecting object dtype when option is set (#56047)

* BUG: read_csv not respecting object dtype when option is set

* Update readers.py

* Cover...

fb05cc7781637906728e95be9b418e774b0e67b2 authored about 1 year ago by Patrick Hoefler <[email protected]>
Fix new string dtype tests for frame folder (#55409)

* Start fixing string tests

* BUG: interpolate raising wrong error for ea

* Fix more tests...

ce4169ac51d20786864157912072b68ae331dc52 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: `concat` should keep series names unless `ignore_index=True` (#56365)

* Keep series names when not ignoring them

* Split test into two shorter tests

* whatsnew
...

71a3e3c12abd934159f43fc4d925803e063c8c6d authored about 1 year ago by Rob <[email protected]>
BUG: outer join on equal indexes not sorting (#56426)

* outer join on equal indexes to sort by default

* whatsnew

* fix test

* remove Index._...

23c20deb7a6e7857b57abba72c15a21d8dbdfe7c authored about 1 year ago by Luke Manley <[email protected]>
DEPR: type argument in Index.view (#56421)

cb56347d1078e1c683f29e7e99ca593901d63a42 authored about 1 year ago by jbrockmendel <[email protected]>
BUG: fillna with mixed-resolution dt64/td64 (#56413)

* BUG: fillna with mixed-resolution dt64/td64

* mypy fixup

* troubleshoot docbuild

* ty...

8614088df2338c1db170bcd0961348220669e082 authored about 1 year ago by jbrockmendel <[email protected]>
PERF: datetimelike addition (#56373)

* PERF: datetimelike addition

* re-add import

* remove no-longer-used

* mypy fixup

*...

a6c0ae48fe4da5ee6356e8370f0b401be0f16b1a authored about 1 year ago by jbrockmendel <[email protected]>
DEPR: casting in datetimelike isin (#56427)

* DEPR: casting in datetimelike isin

* GH ref

* update doctest

d95a7a79fd9626b46c29509860893954e2889638 authored about 1 year ago by jbrockmendel <[email protected]>
TYP: EA.isin (#56423)

2dcb963b6ab609b864cd5214478f272783bdf4f8 authored about 1 year ago by jbrockmendel <[email protected]>
TST: misplaced tests (#56424)

4f8bb2b0ff03b83d8783de0918c336c4ab000327 authored about 1 year ago by jbrockmendel <[email protected]>
DEPR: Series[categorical].replace special-casing (#56385)

536ce302fb4b801b9d6690076b538a5c9c20ac17 authored about 1 year ago by jbrockmendel <[email protected]>
TST: Add test for large integer result in groupby.prod (#56384)

ebde35478a86776caed68098a83c52a3ad83f9c7 authored about 1 year ago by ccccjone <[email protected]>
STY: Fix doctest and docstring formatting errors (#56408)

* STY: Fix doctest and docstring formatting errors

* ensure stderr is output too

* Fix mor...

04307e717d3d227cbdf250695f2698c2cae7752d authored about 1 year ago by Matthew Roeschke <[email protected]>
Compiled pandas with -Wextra (#56327)

* Compiled pandas with -Wextra

* np_datetime_strings.c fallthrough

* test fixes

* win c...

1ab4d031db3bdfe30ebe385f019946f930099543 authored about 1 year ago by William Ayd <[email protected]>
BUG: reindex not matching categoricals and new string dtypes (#56106)

* Fix string option tests in indexing

* Update v2.1.4.rst

* Fixup

* Update whatsnew

726e8e8a61cb3f103bc89e773089645a748ce4a4 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: resample with ArrowDtype (#56371)

* BUG: resample with ArrowDtype

* Typing

* xfail for windows

* Fix again?

* Avoid tu...

aa7b17e1f5d596f41950f85e9f00aa9258b5f2a7 authored about 1 year ago by Matthew Roeschke <[email protected]>
CLN: Remove unnecessary copy keyword (#56420)

* CLN: Remove unnecessary copy keyword

* CLN: Remove unnecessary copy keyword

* Fixup

114f067a93c0e2c120d6538696d32d46a94f8eb8 authored about 1 year ago by Patrick Hoefler <[email protected]>
Series.str.find fix for arrow strings when start < 0 (#56412)

9893c437648f3c675016fec035e640d9c92b4806 authored about 1 year ago by rohanjain101 <[email protected]>
DEPR: Index.insert dtype-inference (#55257)

124b671787bdf726274af3ce225c79a8090c9bf0 authored about 1 year ago by jbrockmendel <[email protected]>
Adjust tests in extension folder for new string option (#56191)

* Adjust tests in extension folder for new string option

* Fix typing

* Update setitem.py

e3073b503527c17ed8bed848f534db8188428b71 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: Index.str.cat casting result always to object (#56157)

* BUG: Index.str.cat casting result always to object

* Update accessor.py

* Fix further bu...

a3626f27f297b1d22b0690548fd3c5016e7522d4 authored about 1 year ago by Patrick Hoefler <[email protected]>
CLN: generate_range (#56416)

45361a48582bde02941b02050fb4a9ae096faadd authored about 1 year ago by jbrockmendel <[email protected]>
DOC: Fix typo in resample.py, "as_freq" (#56407)

Fix typo in resample.py, "as_freq"

c2f06598460dd3996833ea3d225e002bd1fabf18 authored about 1 year ago by William Andrea <[email protected]>
Fix negative n for str.replace with arrow string (#56406)

46c8da3e5b987154d2e0a44562c71be635ae826a authored about 1 year ago by rohanjain101 <[email protected]>
TST: clean CoW chained assignment warning iloc test case (#56400)

68c1af5358561b4655861f99ac1dfb27ac5d4d56 authored about 1 year ago by Joris Van den Bossche <[email protected]>
CoW: Warn for inplace replace (#56297)

Co-authored-by: Joris Van den Bossche <[email protected]>

8399185ad3618cd7d4bc5018e8afad5cd357e813 authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Add warnings for interpolate (#56289)

Co-authored-by: Joris Van den Bossche <[email protected]>

657da071c86fdef5e35ba3bfd45cda2ebc35fad4 authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Avoid warning in case of expansion (#56391)

91e251c3234333efadd0b467020bfcd300d9b6d8 authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Remove filterwarnings and todo (#56390)

025ccb5675c4773409d6d0e8145b21da17e0e011 authored about 1 year ago by Patrick Hoefler <[email protected]>
DOC: Add release date for 2.1.4 (#56393)

* DOC: Add release date for 2.1.4

* DOC: Add release date for 2.1.4

3d492f175077788df89b6fc82608c201164d81e2 authored about 1 year ago by Thomas Li <[email protected]>
TYP: tighter typing in _maybe_convert_freq, _from_ordinal (#56389)

3b9d1f6ee5480691410c0702dc4e616fa8aa1bb0 authored about 1 year ago by jbrockmendel <[email protected]>
CoW: Warn for transform inplace modification (#56381)

aed4df1f609a434a37e3b5bed5c02481e0a406b3 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: reset_index not preserving object dtype for string option (#56160)

* BUG: reset_index not preserving object dtype for string option

* Fixup

* [pre-commit.ci]...

5e0df27fadfeb29e76336b527f4c01cd2f575136 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: ne comparison returns False for NA and other value (#56123)

* BUG: ne comparison returns False for NA and other value

* Fix

* [pre-commit.ci] auto fix...

c369d93cf7c82455bd3dd98233c7c09d8c567025 authored about 1 year ago by Patrick Hoefler <[email protected]>
TYP: require_matching_freq (#56374)

* TYP: require_matching_freq

* mypy fixup

4e2cb22464f63896aa520d225d5708cf30db15c9 authored about 1 year ago by jbrockmendel <[email protected]>
BUG: Fix `Timestamp('now')` and `Timestamp.now` unit inconsistency (#56281)

* BUG: Fix `Timestamp('now')` and `Timestamp.now` unit inconsistency

* Move return

* Updat...

9f51d4fb481e0cbee97e0100d39c52d3ff5207e9 authored about 1 year ago by Xiao Yuan <[email protected]>
CLN/TYP: "how" parameter in merge ops (#56372)

cleanup how parameter in merge ops

2fc264aeb0b906168eab462ba7183aa6fa51da7e authored about 1 year ago by Luke Manley <[email protected]>
BUG: Series.__mul__ for pyarrow strings (#56368)

* BUG: Series.__mul__ for pyarrow strings

* Fix existing tests

* Another test

0d853e7707bdc6995e0cb058fc34bd042a6e9ec5 authored about 1 year ago by Matthew Roeschke <[email protected]>
Use DeprecationWarning instead of FutureWarning for is_.._dtype deprecations (#55703)

d36fb98ddba74631812f113050c0a6f945868051 authored about 1 year ago by Joris Van den Bossche <[email protected]>
remove unused code from JSONtoObj (#56355)

5e4f2b27db3c7363041b2d969921454b63279e26 authored about 1 year ago by William Ayd <[email protected]>
DOC: Add example for `df.map` without `lambda` (#56363)

DOC: add example for map without lambda

75d27504fbb047cd9d95e20fd77b5c751584dfb3 authored about 1 year ago by Linus <[email protected]>
DOC: restructured offset deprecation whatsnew (#56364)

a16427161ad08bc15a07ed49ee29cd899a921ce5 authored about 1 year ago by Natalia Mokeeva <[email protected]>
BUG read_csv(quotechar=, engine='pyarrow') (#56352)

fce776059054f4a559a1b0b740e4ee171cfdb9f9 authored about 1 year ago by Matthew Roeschke <[email protected]>
TST/CLN: Remove seldomly use items in _testing/__init__.py (#56344)

* Remove some sparse __init__ stuff

* Remove empty pattern

025a2394d6a0c340aa85f9d513416725fcca2304 authored about 1 year ago by Matthew Roeschke <[email protected]>
BUG: astype(errors=ignore) for EAs (#56350)

b64d87bf13e96411fbcde4b8fa3057b90e934b79 authored about 1 year ago by Matthew Roeschke <[email protected]>
PERF: join on unordered CategoricalIndex (#56345)

* join on unordered categorical index perf

* whatsnew

* add back try/except

* remove un...

f2b37958ebe4b1d5775395ae331051a526aa3012 authored about 1 year ago by Luke Manley <[email protected]>
Add Werror to CI (#56277)

* Add Werror to CI

* Add to build action

* CircleCI Werror

* Removed artificial failure...

7808ecf8cb10969f2f8d46e3a01503830e880d6b authored about 1 year ago by William Ayd <[email protected]>
DOC: add missing parameters to DateOffset classes: Milli, Micro and Nano (#56336)

* add parameters to milli, micro and nano

* corrected spaces between docstring of Milli,Micro...

c08e7b3587b5527ca9bc232efacac59006f37451 authored about 1 year ago by Vinita Parasrampuria <[email protected]>
BUG: Series(strings, dtype=ArrowDtype[timestamp]) raising (#56294)

59936dc142b9ae8c3946dc9048aac5c7e86e6341 authored about 1 year ago by Matthew Roeschke <[email protected]>
ENH: Implement str.extract for ArrowDtype (#56334)

df7498f2192d660ff79b466d6431f5553ff458f5 authored about 1 year ago by Matthew Roeschke <[email protected]>
BUG: str.split for ArrowDtype with pat=None (#56332)

2718b4e702fa7f0698ade48472497fd0afb2398e authored about 1 year ago by Matthew Roeschke <[email protected]>
DOC: add simple example to DataFrame.to_csv() (#56342)

* DOC: add simple example to DataFrame.to_csv()

* update

* add doctest skip

* Update pa...

c99981a0266d12fb00eaa6a43d89322298425d7f authored about 1 year ago by Linus <[email protected]>
ENH: non-nano datetime64s for read_sas (#56127)

* ENH: non-nano datetime64s for read_sas

* GH ref

* edit expected for 32bit

* troublesh...

33ff3d97e6a671cabff4d851330fe472ec1f7f70 authored about 1 year ago by jbrockmendel <[email protected]>
TST/ CLN: Remove makeCustomIndex/DataFrame (#56331)

* Remove makeCustom

* Fix mismatches

* Remove makeCustomIndex in all

* Fix excel

0b9e784fe5606d8383a8e825e5475d35e9552a2a authored about 1 year ago by Matthew Roeschke <[email protected]>
TST: Remove groupby/test_function.py (#56338)

* TST: Finish removal of groupby/test_function.py

* Move one more

dc4c474c4dfa43c7cee94666fe843f2037278050 authored about 1 year ago by Richard Shadrach <[email protected]>
CoW: Add warning for fillna (#56288)

Co-authored-by: Joris Van den Bossche <[email protected]>

52649eab12137913b6df0d0b2e55fdf5f42dc1b5 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: Read CSV on python engine fails when skiprows and chunk size are specified (#55677, #56323) (#56250)

* Fix -GH 55677:
Added support for the python parser to handle using skiprows and chunk_size op...

593fa85504e3d6cc114c12526c103ef9dc619e68 authored about 1 year ago by Aaron Rahman <[email protected]>
DOC: Adjust whatsnew (#56300)

* DOC: Adjust whatsnew

* Update doc/source/whatsnew/v2.2.0.rst

Co-authored-by: Matthew Roe...

12b80a6defc8da84a6b426a9efcaf14d41fa35de authored about 1 year ago by Patrick Hoefler <[email protected]>
Address violation fix (#56328)

17a4cac3a086f0643fd5fe3f9d64549fd6e0725c authored about 1 year ago by William Ayd <[email protected]>
REGR: Fix reading old pickles from pandas 1.3.5 (#56308)

* REGR: Fix reading old pickles from pandas 1.3.5

* Use pickle compat

* extraneous space

0d8e0a4cd07f12c044a2f7d2b779958270dade00 authored about 1 year ago by Thomas Li <[email protected]>
[pre-commit.ci] pre-commit autoupdate (#56324)

* [pre-commit.ci] pre-commit autoupdate

updates:
- [github.com/hauntsaninja/black-pre-commit...

daa9cdb1c70932afd6d5146c98b48bd95b1c5dd1 authored about 1 year ago by pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
CoW: Avoid warning in apply for mixed dtype frame (#56212)

Co-authored-by: Joris Van den Bossche <[email protected]>

3395ca3f1a1e7bdcee2ce8d7ef114bb4c8d9ece4 authored about 1 year ago by Patrick Hoefler <[email protected]>
TST: dt64 units (#56261)

* TST: dt64 units

* fix on older pythons

* typo fixup

* mypy fixup

* de-xfail

d44f6c11909616209ae14dd5805c378f6abbef19 authored about 1 year ago by jbrockmendel <[email protected]>
Allow c files in src/include for gitignore (#56284)

1bb4edcf33d0c9624c8a058b052e9ef2e9d2f2de authored about 1 year ago by William Ayd <[email protected]>
Assort IWYU Cleanups (#56295)

* Assort IWYU cleanups

* merge fixups

* win help

* more win fix

3d1419352dedf8f87d019894ba552ef215381b71 authored about 1 year ago by William Ayd <[email protected]>
DOC: Tidy docstring (#56307)

Tidy docstring

fc37af63fdca994575afcf2ee0d22427ce55c05a authored about 1 year ago by smij720 <[email protected]>
DOC: Move whatsnew (#56320)

* DOC: Move whatsnew

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more infor...

539073f14f8ef7c6ad30259a79c98951a7902348 authored about 1 year ago by Thomas Li <[email protected]>
DEPR: Default of observed=False in DataFrame.pivot_table (#56237)

* DEPR: Default of observed=False in DataFrame.pivot_table

* Finish up

* fixup

* Conver...

4fd5a1562f122a0afd4cdd12339881831dd53972 authored about 1 year ago by Richard Shadrach <[email protected]>
BUG / CoW: ensure ser[...] (indexing with Ellipsis) returns new object (#56314)

7b528c91e5e273f38ea779b548ca64e80df4b346 authored about 1 year ago by Joris Van den Bossche <[email protected]>
CoW: Avoid warning if temporary object is a copy (#56211)

0d224881fa142727cd5d76be7c0a3e2193ea8708 authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Add warning for slicing a Series with a MultiIndex (#56214)

Co-authored-by: Joris Van den Bossche <[email protected]>

dd7c34f1f3c32bc51ebcf4f9c22389c01ee1df62 authored about 1 year ago by Patrick Hoefler <[email protected]>
DOC: more explicit note about upcoming CoW changes in copy() method docstring (#56316)

9211826df3e4623516ff8044626cb9242b117f05 authored about 1 year ago by Joris Van den Bossche <[email protected]>