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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

CoW: Avoid warning for ArrowDtypes when setting inplace (#56215)

3cf05db9f8ecd640b5c666a7ceb05f4c5483e06b authored about 1 year ago by Patrick Hoefler <[email protected]>
ENH: Raise TypeError when converting DatetimeIndex to PeriodIndex with invalid period frequency (#56243)

df913e79470e22ede1fec185a4ff224631c38f42 authored about 1 year ago by Natalia Mokeeva <[email protected]>
CoW: Fix warnings for eval (#56170)

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

e0f3a188f9c0b5c334dffe11a5a3ab47fe0870b4 authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Remove false positive warnings for inplace operators (#56242)

6669aee381c03baf0e845714c339ca85b2e4e762 authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Warn for cases that go through putmask (#56168)

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

ae76ad49003536f02e697fb6077c4ec3a90ce048 authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW warning mode: enable chained assignment warning for DataFrame setitem in default mode (#56230)

516510275b921b3fe01c67f8bb5ac00971a65883 authored about 1 year ago by Joris Van den Bossche <[email protected]>
CLN/TST: Remove makeTimeSeries (#56293)

* CLN/TST: Remove makeTimeSeries

* adjust test

7c6d26f632cb6ea4858a65a73085b89c0412f5c7 authored about 1 year ago by Matthew Roeschke <[email protected]>
DOC: Add note about CoW change to copy keyword docs (#56162)

6f245e61b9e3c2107e77742130db0839e864b9e4 authored about 1 year ago by Patrick Hoefler <[email protected]>
Convert to compatible NumPy dtype for MaskedArray to_numpy (#55058)

* Convert masked arrays to valid numpy dtype

* Convert ea to appropriate numpy dtype

* Fix...

2a0e253688a44fa93d0000515c0a904a3ed346b0 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: cut with non-nano (#56101)

* BUG: IntervalIndex.factorize with non-nano

* GH ref

* BUG: cut with non-nano

* GH ref...

65af776208578edf1a42be8f6ca76c3d2b1487fb authored about 1 year ago by jbrockmendel <[email protected]>
TST/CLN: Remove makeTime methods (#56264)

* Remove makeTimeDataFrame

* Remove makeTimeSeriesData

* Remove getCols

* Remove use ma...

147d68a3385aa91d1c2b853b22b81bed1449d047 authored about 1 year ago by Matthew Roeschke <[email protected]>
Clean up tokenizer / parser files (#56274)

* Clean up tokenizer / parser files

* static_assert fix

958e7f58d7c25fd86ce1ed563aa499f2cf587804 authored about 1 year ago by William Ayd <[email protected]>
Remove inline_helper.h header file (#56275)

* Remove inline_helper.h header file

* missing fix

fa07d05c5d8cd7b8267eb33e1fc382c7a63ba114 authored about 1 year ago by William Ayd <[email protected]>
Remove NpyDateTimeToEpoch (#56276)

f43e7a5b986c14a9c5457c765b7695e363e19484 authored about 1 year ago by William Ayd <[email protected]>
DEPR: unit keyword in TimedeltaIndex (#55856)

* DEPR: unit keyword in TimedeltaIndex

* update docstring

* update doctest

5dab6ad2516c7717082d5fb02620dddea85811dc authored about 1 year ago by jbrockmendel <[email protected]>
DEP: update python-calamine to 0.1.7 (#56280)

* DEP: update python-calamine to 0.1.7

* uncomment python-calamine>=0.1.7 in python3.12 test

09cb36710aab9d9a724602aa7ccfde33fbc51f63 authored about 1 year ago by Dmitriy <[email protected]>
BUG: support non-nano times in ewm (#56262)

* BUG: support non-nano times in ewm

* GH ref

* update exception message

* update test

f7c73a5f1aaf0724598e60c0cc5732604ec842a8 authored about 1 year ago by jbrockmendel <[email protected]>
PERF: Improve conversion in read_csv when string option is set (#56046)

4f080b8f2e5c93d1b0dd1ceb5487fba67feb02ab authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests for apply folder for new string option (#56190)

* BUG: numba raises for string columns or index

* Adjust tests for apply folder for new strin...

eb7a8c85d2ad92164d5de5d19118214462e427b8 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: mode not preserving object dtype for string option (#56183)

9cbf95db675cbea9d01b25f146cff021590f6de3 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: to_numeric casting to ea for new string dtype (#56179)

d47ad02987402273c9b012a9124b0fcd0930b9ba authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in root directory for new string option (#56184)

* BUG: mode not preserving object dtype for string option

* Adjust tests in root directory fo...

59a17582bf2e74df735fc7dc90e80c5b441fd299 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in json folder for new string option (#56197)

* BUG: read_json not handling string dtype when converting to dates

* Adjust tests in json fo...

02324e677468083c14a0164212178e67a508b322 authored about 1 year ago by Patrick Hoefler <[email protected]>
TST/CLN: Remove getSeriesData/makeObjectSeries/makeDatetimeIndex (#56241)

* Remove makeObjectSeries

* Remove makeDatetimeIndex

* Remove makeDataFrame

* Remove ge...

00a0216f39b2e790a8db93c295664949862756c6 authored about 1 year ago by Matthew Roeschke <[email protected]>
JSON code removals and cleanups (#56252)

4a06c0f91abb598a8ac4ea97428562ece9caa598 authored about 1 year ago by William Ayd <[email protected]>
Less C89, most const, static funcs (#56254)

8e36cd136972b07332de033aaf2594a0a1daf415 authored about 1 year ago by William Ayd <[email protected]>
TYP: overload tz_to_dtype (#56260)

adcb36ee217af563f29f13852298b6bb42627c97 authored about 1 year ago by jbrockmendel <[email protected]>
DEPR: kind keyword in resample (#55895)

* DEPR: kind keyword in resample

* GH ref

* update usage

60930743d882903bf769a1694793d787dd399475 authored about 1 year ago by jbrockmendel <[email protected]>
CI: Add 3.12 builds (#56174)

* Add 3.12 builds

* Fix

* Fix

* Fix

* Fix

* Fix tests

* Fix

* Update ci/dep...

e2aa710c4abe6329be6c85689e27787868e44cdd authored about 1 year ago by Patrick Hoefler <[email protected]>
Update indexing unpacking logic for single block case (#56209)

0e8174fbb89972690ea4e825d727d2ddf7653c73 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: DataFrame.update not operating in-place for datetime64[ns, UTC] dtype (#56228)

* inplace update

* copy-on-write fixups

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

0ae4dfda05a18a9a6ab8049f54c19e28b0a3a582 authored about 1 year ago by Marco Edward Gorelli <[email protected]>
PERF: groupby.nunique (#56061)

* PERF: groupby.nunique

* Remove fastpath

* Remove fastpath

* int32 fixup

* fixup

d377cc9bf5aae098eef9f86651ece22f84458c0b authored about 1 year ago by Richard Shadrach <[email protected]>
TST/CLN: Remove makeFloat/Period/Int/NumericIndex (#56229)

* Remove makeFloatIndex

* Remove makePeriodIndex

* Remove makeIntIndex/makeNumericIndex

...

44b6cb95da305ba29c19bdde838bb1b4e15fd1b1 authored about 1 year ago by Matthew Roeschke <[email protected]>
DOC: Fix typo in copy_on_write docs (#56234)

Fix typo in copy_on_write docs

1aa9aeacb1dc2bf85505880bf0fe6f038d0acda3 authored about 1 year ago by smij720 <[email protected]>
TST: dt64 units (#56239)

1ef827385590ad162cb6f1f26b74c52fcaade63e authored about 1 year ago by jbrockmendel <[email protected]>
DOC: DataFrame.update doctests (#56219)

* Add doctest showing dtype changing

* Fix docstring results

* Tidy

* Remove docs for c...

c1c6db7318776f4637fdc3dc3b9f313d69145160 authored about 1 year ago by smij720 <[email protected]>
DOC: Update release instructions (#56232)

* DOC: Update release instructions

* revert accidental changes

* Update maintaining.rst

...

8dd497a73af933c88c666ea65e5e53d9522ffbcd authored about 1 year ago by Thomas Li <[email protected]>
TST: groupby.agg calls func with empty groups (#56145)

e8f05983b5743de3690cbd3d4f8b9896f9429c4c authored about 1 year ago by Kazuto Haruguchi <[email protected]>
CoW warning mode: warn in case of chained assignment (#55522)

7012d6a60724bf55d1fc0d03d6c50484aa19fb85 authored about 1 year ago by Joris Van den Bossche <[email protected]>
TST/CLN: Remove makeDataFrame (#56210)

* TST/CLN: Remove makeDataFrame

* Simplify some frames

ae6d27937b763af21502af839d0a738da6137bb0 authored about 1 year ago by Matthew Roeschke <[email protected]>
TST/CLN: Remove makeCategoricalIndex (#56186)

* TST/CLN: Remove makeCategoricalIndex

* Remove usage in asv_bench

* Adjust xarray test fo...

e973b42222405e847ef1fb27ab0f2491d734990f authored about 1 year ago by Matthew Roeschke <[email protected]>
TST/CLN: Remove makeUInt/Timedelta/RangeIndex (#56200)

* Remove makeRangeIndex

* Remove makeUInnt64Index

* Remove makeTimedeltaIndex

* Fix typ...

5ad9abd5052c29b38692db49afaed723d1d1a044 authored about 1 year ago by Matthew Roeschke <[email protected]>
Add doc notes for deprecations (#56222)

83f6275d109d78a6517acf767fabfb6692440142 authored about 1 year ago by Patrick Hoefler <[email protected]>
TST: specify dt64 units (#56217)

* TST: specify dt64 units

* specify dt64 unit

f3f0249c611bf41e2946ad5fc89abfa0af89ab85 authored about 1 year ago by jbrockmendel <[email protected]>
DOC: Add clarifications to docs for setting up a development environment (#56201)

* Make docs clearer for mamba installation

* Add mamba python package update instruction

*...

2b7af8477803c5a94b4caf1d9295b2887a552d55 authored about 1 year ago by smij720 <[email protected]>
CoW: Remove todos that aren't necessary (#56169)

4c520e35f95429ceaf91ea67cd2ced5aabba9619 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: inferred resolution with ISO8601 and tzoffset (#56208)

* BUG: inferred resolution with ISO8601 and tzoffset

* GH ref

13bdca4ddad57e58974ab5882831cedbc5ab9346 authored about 1 year ago by jbrockmendel <[email protected]>
DEPR: Deprecate ravel (#56053)

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

3934e56f5d402f1ebf28ff89db02ce718e30cc8e authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Add warning for mask, where and clip with inplace (#56067)

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

cf78582982816c28da9be8b51dc9b03273099eca authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: Set check_exact to true if dtype is int (#55934)

* BUG: Set check_exact to true if dtype is int

* BUG: Add check to ignore dytype difference
...

17eec96a6e993e8f2105cd2de0e78361c42abe21 authored about 1 year ago by Parthi <[email protected]>
Adjust tests in Indexing folder for string option (#56107)

* BUG: Index.getitem returning wrong result with negative step for arrow

* Update

* Update...

b19a0938d4a41e57d94454b9b397bcf7f46bfd0a authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in window folder for new string option (#56182)

50d99caa2604b8271ee26eeaa6b346ab8492019e authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: read_json not handling string dtype when converting to dates (#56195)

f6eee830c7f2e089af16e7249bd3f66fe5de55ee authored about 1 year ago by Patrick Hoefler <[email protected]>
CI: Fix ci (#56205)

a29e4f656cc2ba8f9b3499af52f503d832b50c9a authored about 1 year ago by Patrick Hoefler <[email protected]>
CoW: Fix deprecation warning for chained assignment (#56166)

aa994bbb71701902d156d7cae1f16ebaa66e2874 authored about 1 year ago by Patrick Hoefler <[email protected]>
CI: Add CoW builds and fix inplace warnings (#56173)

4eaf840bdb6e50a4321fda75a9b3c35547bfa50b authored about 1 year ago by Patrick Hoefler <[email protected]>
DEPR: Deprecate Series.view (#56054)

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

368643f6af89a8aa023b1a457ffa33b7e35e653a authored about 1 year ago by Patrick Hoefler <[email protected]>
TST/CLN: Remove makeMixedDataFrame and getMixedTypeDict (#56202)

6f080bd1ccf9d761aa720ea30333ba784cf59f8e authored about 1 year ago by Matthew Roeschke <[email protected]>
TST/CLN: Remove makeStringIndex (#56155)

* TST/CLN: Remove makeStringIndex

* Fix failures

* Fix one more test

* Remove makeBoolI...

a38ecd5b84a96ae1453e889f3dfebb0d218a575c authored about 1 year ago by Matthew Roeschke <[email protected]>
BUG: numba raises for string columns or index (#56189)

27ec8873be0c5958c5cf7c76a32180da31bd56cf authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust test in excel folder for new string option (#56193)

82c591d3ff2d49cb4605a6b70388f1bd4a20f9ab authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: hdf can't deal with ea dtype columns (#56194)

3fc83203910aa7196d88850ab5becea41e30f6d7 authored about 1 year ago by Patrick Hoefler <[email protected]>
DOC: reoder whatsnew enhancements (#56196)

4b6a80ea9f7547dbfe016137ecf91ad60ad305bc authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in xml folder for new string option (#56198)

52ddb2e208be3103f0b47bfabad2a66805b34996 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in util folder for new string option (#56181)

762b61dfb3028bc3b9c96c664243ba188b0ed923 authored about 1 year ago by Patrick Hoefler <[email protected]>
TST/CLN: Remove make_rand_series (#56163)

* TST/CLN: Remove make_rand_series

* Remove old usages

* Adjust test

09fb8e576306610af1b6b5dc613979e6150c9957 authored about 1 year ago by Matthew Roeschke <[email protected]>
Adjust tests in tseries folder for new string option (#56180)

20ce643c1a7c5038eb129af55b73fba6b6d43ab1 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust test in tools for new string option (#56178)

74b2c37c11b35e1645b658f8bef65e9e3e1c2057 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: translate losing object dtype with new string dtype (#56152)

* BUG: translate losing object dtype with new string dtype

* Fix

* Update accessor.py

99bcf6bac6324bc631318de7c2ef2a5827bddfa0 authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: scatter discarding string columns (#56142)

* BUG: scatter discarding string columns

* Add test

45b937d64f6b7b6971856a47e379c7c87af7e00a authored about 1 year ago by Patrick Hoefler <[email protected]>
CLN: Get rid of PyArray_GetCastFunc (#56114)

* CLN: Get rid of PyArray_GetCastFunc

* remove old code

* simplify as per suggestion

* ...

6d1b07f11b3f383bb8e4f895cfead3125e89379d authored about 1 year ago by Thomas Li <[email protected]>
CLN/TST: Remove old data creation methods in _testing/__init__.py (#56144)

* Clean up sparely used index generating methods

* Remove makePeriodSeries

* Remove from a...

6971c9ca62c47785414bd5ddcc7a895147d07f51 authored about 1 year ago by Matthew Roeschke <[email protected]>
DOC: Fix broken link for mamba installation (#56176)

Fix broken link for mamba installation

e84bd1ce90944158c0d90b14fdd42c6dada1777d authored about 1 year ago by smij720 <[email protected]>
PERF: array_strptime (#55898)

* PERF: array_strptime avoid object path

* creso fixup

* Fixup leftover assertion

* obj...

24219311ec72eae247125e09411fd536a4551a44 authored about 1 year ago by jbrockmendel <[email protected]>
Fix arithmetic test folder for arrow string option (#56122)

b8d04712e4953bf69b68a1911a9f56c571b24720 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in base folder for arrow string option (#56124)

ac45f880fcde415ffea3d96280ff39ed4f7dac9e authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in dtypes folder for arrow string option (#56125)

Adjust tests in base folder for arrow string option

2ed994f289e2a491c17a225ceaa7cb3430f16894 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in generic folder for arrow string option (#56139)

8ba1ab08e81ff4147cffe6e624a294c82b3fb01f authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust tests in internals folder for arrow string option (#56140)

22d3c9c66037440fc1fbc99b7e16f3f7c8d152c9 authored about 1 year ago by Patrick Hoefler <[email protected]>
Adjust reduction folder tests for string option (#56143)

472516c937e3daeb1b0b68bff4ca822b183390e5 authored about 1 year ago by Patrick Hoefler <[email protected]>
DEPR: Some Grouper and Grouping attributes (#56149)

* DEPR: Some Grouper and Grouping attributes

* GH#

* GH#

* Rework _group_index

bd27a3e022c2b32087902b49ae727d5d738e8f1b authored about 1 year ago by Richard Shadrach <[email protected]>
Adjust tests in resample folder for new string option (#56150)

c07563e557511fa9ecbf139926fa45d0f60fbb6e authored about 1 year ago by Patrick Hoefler <[email protected]>
BUG: round with non-nanosecond raising OverflowError (#56158)

* BUG: round with non-nanosecond raising OverflowError

* GH ref

* woops

f2c8715245f3b1a5b55f144116f24221535414c6 authored about 1 year ago by jbrockmendel <[email protected]>
DEPR: dtype inference in value_counts (#56161)

* DEPR: dtype inference in value_counts

* GH ref

9ac15629534f9ce4cf85e1340a9ddf99635ffe58 authored about 1 year ago by jbrockmendel <[email protected]>
TST: parametrize over dt64 unit (#56165)

* TST: parametrize over dt64 unit

* TST: specify dt64 unit

3530b3d21c99ebb57aafb4780f5b91a46bdaf6db authored about 1 year ago by jbrockmendel <[email protected]>
TYP: tighter typing in _apply_array (#56083)

* TYP: tighter typing in _apply_array

* comment

* mypy fixup

* mypy fixup

* mypy fix...

aeed91c027dd30da25f6641a1784f81f2782b6df authored about 1 year ago by jbrockmendel <[email protected]>
DOC: to_datetime origin argument not unit specific (#56151)

24fdde62c6afc383baecd9a3aceada4dca804266 authored about 1 year ago by Antonio Fonseca <[email protected]>
CLN: Remove reset_display_options (#56153)

0437fdb67c3c12a9a8e950012f2509d1f19faf23 authored about 1 year ago by Matthew Roeschke <[email protected]>
TST/CLN: make equalContents more strict (#56154)

0229225c195f1372e3dbb9192043322f0dbd0625 authored about 1 year ago by Matthew Roeschke <[email protected]>
DEPR: correct error message in to_offset (#56141)

* correct warning message [skip ci]

* DEPR: correct error message in to_offset

a869a73869ba8cc62830fedbfbac138559880602 authored about 1 year ago by Natalia Mokeeva <[email protected]>
MNT: use int instead of long in cython code (#56138)

4744064744f82230fdb437de07c32a154cba7687 authored about 1 year ago by Thomas A Caswell <[email protected]>
TST: Skip more pyarrow csv tests that fail in pyarrow.csv.read_csv (#56098)

5437d7af52d18fe9cf7e7be440bd690d098b8058 authored about 1 year ago by Matthew Roeschke <[email protected]>
PERF: Index.sort_values for already sorted index (#56128)

b6834f8b93d20c99cf3f1c527ba4ba2a462c69d9 authored about 1 year ago by Luke Manley <[email protected]>
CLN: remove no-longer-needed helper (#56133)

86982eb188383e7be38ef78eccd4ccbfd4f11e61 authored about 1 year ago by jbrockmendel <[email protected]>
TST: dt64 unit in tests (#56126)

1c606d5f014c5296d6028af28001311b67ee3721 authored about 1 year ago by jbrockmendel <[email protected]>
BUG: Fix error message for assigning a column with an empty DataFrame (#56120)

68ef1dac651f3012e6da0ec6cab00ac8f0160ed4 authored about 1 year ago by Rob <[email protected]>
DOC: Add note for copy keywords for Copy-on-Write (#56033)

4cd6d7efbc74d27061d5f5734ffb1e8895c388e5 authored about 1 year ago by Patrick Hoefler <[email protected]>
CI: Test clipboard on Linux via pyqt (#56084)

325e04c7f3ed80b9993459f24d512947e44179bb authored about 1 year ago by Matthew Roeschke <[email protected]>
BUG: DatetimeIndex.shift with non-nano (#56117)

* BUG: DatetimeIndex.shift with non-nano

* BUG: DatetimeIndex.shift with non-nano

38e29ab7d049015b428a880ed0a160b10418fae6 authored about 1 year ago by jbrockmendel <[email protected]>
TYP: dt64 unit in pytables tests (#56118)

bb9ef02ede41825da414b80730e306a6acf0f718 authored about 1 year ago by jbrockmendel <[email protected]>