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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

ENH: read_stata return non-nano (#55642)

* ENH: read_stata return non-nano

* GH ref

* mypy fixup

* update doctest

* simplify
...

4663edd90a7ebc744aa89e75805d4217940fb8e6 authored 12 months ago
check ExtensionType in is_datetime64_any_dtype for array-likes (#57060)

* check for ExtensionType in is_datetime64_any_dtype

* use pre-commit

* add test and move ...

9c76d546a2eaa53bfb9069a3ebe31151ebcf24c9 authored 12 months ago
REF: Remove internals.base (#57208)

fc05632d9e9dc6aaeee27cabd5fc2d04fc85145b authored 12 months ago
CLN: pyproject.toml (#57201)

* CLN: Remove old coverage branches and ignored warnings

* CLN: Remove old coverage branches ...

b2f21289cb0ce2f73f095d1bb18415bd74f515a7 authored 12 months ago
TST/CLN: Assorted (#57199)

* Split test_xs

* Remove unused variables

* Bump up tolerance

e5e96033c47bfe5f3034a2076ee6f81e4001a77c authored 12 months ago
STY: Enable some passing rules (#57200)

* Enable B006

* Enable B011

* Enable B019

* Enable B020

* Enable B020

* Enable PY...

7736d4b6e158503d8ba901b761308dca1528a747 authored 12 months ago
CLN: Move capitalize_first_letter to where it's used (#57096)

680b21545bb1d8a86936530fea9d664d9fd21eb9 authored 12 months ago
DOC: Fix minor typo in indexing.rst (#57206)

47418a134b53e4ccefce7b1c80eea18811793159 authored 12 months ago
DOC: fix PR02 errors in docstrings - pandas.core.window.rolling.Rolling.quantile, pandas.core.window.expanding.Expanding.quantile (#57211)

70f47ee66a91730971d28f2edb7003f5cddc2994 authored 12 months ago
DOC: fix PR02 errors in docstrings - pandas.core.groupby.SeriesGroupBy.transform and pandas.core.groupby.DataFrameGroupBy.transform (#57210)

f20c5c987c8cedb78df0bacddc1264e2d24c9b83 authored 12 months ago
BUG: Interchange protocol implementation allows non-string column names (#57174)

* convert non-string colnames to strings in interchange protocol

* remove irrelevant statemen...

8ed7dae2a3a76bdae0da402c12111bf033124b55 authored 12 months ago
CI: Add macOS M1 CI (#57163)

* CI: Start testing on M1

* install pytest-localserver from pip

* typo

* more CI adjust...

1d1672d1ecb5d108e45338de837d0604edba2859 authored 12 months ago
ENH: Add check for character limit (#57103)

Co-authored-by: Matthew Roeschke <[email protected]>

bb42fc0c700533a67f03ea189c24e57d87d48410 authored 12 months ago
DOC: fix PR02 errors in docstrings - groupby.idxmax (#57145)

d9f9e12199bbd5826406e9a6adef62b68867af61 authored 12 months ago
BUG: pandas int extension dtypes has no attribute byteorder (#57173)

* support nullable integers in from_dataframe

* gh issue number

* use BaseMaskedDtype

*...

0fd71768147d6cace22f99c6fca7dc19679337ff authored 12 months ago
DEPR: Enforce deprecation of groupby(..., axis=1) (#57186)

* DEPR: Enforce deprecation of groupby(..., axis=1)

* More removals and cleanups

* whatsnew

24f7db72a3c93a4d0cfa3763724c01ac65d412c6 authored 12 months ago
fix typo (#57194)

965a65b72b3e14014b8de817b450571bc4f2f6f7 authored 12 months ago
CI: Pinning doc previewer action to current release (#57190)

e982297ffa6d814994a5880f1c12d83af814ede0 authored 12 months ago
CoW: Enable CoW by default and remove warning build (#56633)

3b57972ceb49c11198eb0bec6be0006260d48085 authored 12 months ago
DEPR: Enforce deprecation of ArrayManager (#57118)

* DEPR: Enforce deprecation of ArrayManager

* cleanups

* More removals

* whatsnew

* ...

c3014abb3bf2e15fa66d194ebd2867161527c497 authored 12 months ago
CI: Fix generating requirements-dev.txt (#57185)

c3f7fee653fef5598055227821b6974f1eb87968 authored 12 months ago
Validate `dir` for `pd.errors` and `pd.util` (#57140)

* Ensure pandas.errors only imports its __all__

* Make public util API accessible

* Fix im...

cad0d87c63a914ebc6e33fb1b5e22c9068d75710 authored 12 months ago
Document some more categorical methods (#56928)

* Document some more categorical methods

* Render pages for Categorical methods

29a3682ae79a96f912e1b0c9ae61db9febc5ec7d authored 12 months ago
DEP: Loosely pin Cython to 3.0 (#56993)

1785fdc7ec433e72cbb5fcba8b27443f8440d72a authored 12 months ago
DEPR: Enforce deprecation of removing axis from all groupby ops (#57109)

* DEPR: Enforce deprecation of removing axis from all groupby ops

* Add note on fillna and cl...

366691ea297e1fbcf701c83a3f373d4302d63281 authored 12 months ago
CI: Remove redundant check (#57156)

Remove redundant code style check

a3e439151fbddd7bfc6d3cd5a23174a32579c5de authored 12 months ago
CI: avoid DeprecationWarning in validate_min_versions_in_sync script (#57127)

0ec21fad78d6c8cec464ac0cfc71e084daa5e39e authored 12 months ago
Timestamp 'freq' is removed in GH 14146, not moved to kw-only arg. Removal is … (#57162)

'freq' is removed in GH 14146), not moved to kw-only arg. Removal is already captured under 'Rem...

89b633d74af7f4b56a308e7c9b0fa4505a4ee94d authored 12 months ago
REGR: DataFrame.sort_index not producing stable sort (#57169)

DataFrame.sort_index not producing stable sort

9760b64957b4b47c31481f38164fdbb3d4844b58 authored 12 months ago
BUG: Interchange protocol implementation handles empty dataframes incorrectly (#57175)

fix from_dataframe for empty dataframes

dc16177936d6f3cacf54a5c54f87062d4d112c3b authored 12 months ago
Fix docstring (#57167)

* fix PR02 error in clip function

* fix PR02 error in argsort function

27b6996d71438b690a5d70901f71c03d9dba57d5 authored 12 months ago
CI: Use new documentation previewer (#57112)

2c324394c7d438117c0fe4600dfa563183242031 authored 12 months ago
DEPR: removed deprecated argument `obj` from GroupBy `get_group` (#57136)

db11e25d2b1175fdf85d963a88ff5a1d4bdb6fd8 authored 12 months ago
CLN: `to_dict` (#57159)

* Make to_dict lazier

* Remove some extra looping and indexing

* Add erroneous ignore

c811353ee80a29cc219a9f72bf0d9cf1c02f04b4 authored 12 months ago
BUG: Fix to_dict with datelike types and orient=list (#57157)

b41ea0970be161b30951fabe5dbf18ecab106ef4 authored 12 months ago
CI: Fix _get_dst_hours for numpy 2.0 change (#57144)

9b95e4596c5d47b5dcc3cbedf143023475930595 authored 12 months ago
DOC: Updated community slack link (#57146)

f636d7da9c7aa609051e15bbc5489f439efc81f6 authored 12 months ago
BUG: Index(Series) makes array read only for object dtype (#57139)

b6fb90574631c84f19f2dbdc68c26d6ce97446b4 authored 12 months ago
REGR: non-unique, masked dtype index raising IndexError (#57061)

* fix masked indexing regression

* fix test

* fix test

* dedup resizing logic

* add ...

a302b1b3be431d9d91c382c8d350f25f425cd8e3 authored 12 months ago
ENH: Add skipna to groupby.first and groupby.last (#57102)

* ENH: Add skipna to groupby.first and groupby.last

* resample & tests

* Improve test

*...

ab3d4bfbf43a5c31a8d9f8338b10d9f97d029930 authored 12 months ago
DOC : ambiguous takes bool as an argument, not bool-ndarray (#57015)

* ambiguous takes bool as an argument, not bool-ndarray

ambiguous takes bool as an argument, ...

dc5586baa9e47318051ce311b4f4da765e632490 authored 12 months ago
CLN: The smallest typo correction, "engine" lacked an "n". (#57134)

The smallest typo correction, "engine" lacked an "n".

1f8b7637bfd6adab4b01ead471fa36afd1d0651e authored 12 months ago
CI: autouse add_doctest_imports (#57122)

* CI: autouse add_doctest_imports

* add ref

3eea5fdaf1c3a03272190ecb1e22feb89b450e67 authored 12 months ago
REGR: Index.join raising TypeError when joining an empty index to a mixed type index (#57101)

* fix regression in join with empty

* mypy

* move empty check

f5bb77564e447fb023c3e02539e3178fd53e3cb9 authored 12 months ago
DOC: fix PR02 errors in docstrings - pandas.describe_option, pandas.get_option, pandas.reset_option (#57117)

* Copy the signature from the implementation

* updated code_checs.sh

42e4e4c9a85e682e3027caa3a1797385f7f7760c authored 12 months ago
TYP: misc return values (#57108)

b0b1685a0784caf0ac3082b29ac4f993c5fc7902 authored 12 months ago
Bump pypa/cibuildwheel from 2.16.2 to 2.16.4 (#57126)

Bumps [pypa/cibuildwheel](https://github.com/pypa/cibuildwheel) from 2.16.2 to 2.16.4.
- [Relea...

ab61a4c1d7ee8693bfd3b4831c69aed4c9031975 authored 12 months ago
Fix typo in missing_data.rst (#57131)

Update missing_data.rst

Fix typo

a3ca4396cc579f37269f1f18b0dcc26896d5b9e3 authored 12 months ago
DOC: fix PR02 errors in docstrings - pandas.Series.interpolate, pandas.read_hdf, pandas.HDFStore.append (#57114)

* Resolve PR02 errors in docstrings: pandas.Series.interpolate, pandas.read_hdf, pandas.HDFStore...

820ad77431519714b57470da9614d32e3b398bde authored 12 months ago
TST: Interchange implementation for timestamp[ns][pyarrow] (#57026)

* TST: Interchange implementation for timestamp[ns][pyarrow]

* Check timestamp explicitly

...

56b5979f136e72ce78e5221392739481c025d5e7 authored 12 months ago
BUG: fix `Series.value_counts` with `sort=False` returns result sorted on values for Series with string dtype (#57116)

46163c5b66c8bceca1a1cdb76f90bb5c0ee07633 authored 12 months ago
BUG: np.matmul with Index raising TypeError (#57079)

6de74dd646978204a318b5d7cf2f0e79fe5b3154 authored 12 months ago
BUG: wide_to_long with string columns (#57089)

28e8f8d31202321e8e6e21d20ff1f94d057cb6cd authored 12 months ago
Remove support for `py.path` objects in IO readers (#57091)

* CLN: Remove testing for py.path objects

* Add whatsnew

* Missed annotation

* Add what...

9008ee5810c09bc907b5fdc36fc3c1dff4a50c55 authored 12 months ago
54628 fix find stack level memory leak (#57078)

* fix: prevent potential memory leak

* test: unit test to cover find_stack_level utility func...

8288b9bbfacf0585f1e9933c373d7d4282a40118 authored 12 months ago
Update install.rst to match the newest code (#57081)

* Update install.rst to match the newest code

* Update pyproject.toml

* Update install.rst...

1fee25ce90882bbbd078d09df1276ec0641b28cd authored 12 months ago
Fix mem leak in read_csv (#57084)

* Fix memory leak in read_csv

* whatsnew

* peakmem benchmark

84cd03ae601941700f0e235cc6ac3e7f5e49fd69 authored 12 months ago
REGR: groupby.idxmin/idxmax wrong result on extreme values (#57046)

* WIP

* REGR: groupby.idxmin/idxmax wrong result on extreme values

* fixes

* NumPy 2.0 ...

b5a963c872748801faa7ff67b8d766f7043bb1c1 authored 12 months ago
REGR: perf regression in Series.combine_first (#57034)

* fix perf regression in Series.combine_first

* fix

d928a5cc222be5968b2f1f8a5f8d02977a8d6c2d authored almost 1 year ago
COMPAT: Make argsort compatable with numpy 2.0 (#57057)

Make argsort compatable with numpy 2.0

736868671044605b0f2c2cc23ab5ea09fbc9a2ac authored about 1 year ago
BUG: Series.pct_change with empty Series (#57058)

aaa276043223821bf743e51b373148b41cbf857d authored about 1 year ago
PERF: Index.join to maintain cached attributes in more cases (#57023)

* Index.join result name

* whatsnew

* update test

* Index._wrap_join_result to maintain...

622f31c9c455c64751b03b18e357b8f7bd1af0fd authored about 1 year ago
PERF: StringEngine for string dtype indexing ops (#56997)

* add StringEngine for string dtype indexes

* whatsnew

* ensure str

* mypy

* subclas...

3c96b8ff6d399fbec8d4d533e8e8618c592bb64b authored about 1 year ago
TST: test for warnings using pytest.warns() (#56974)

* TST: test for warnings using tm.assert_produces_warning()

Fix tests that used `pytest.raise...

85b74453a35fd54c0dc3b61219a1fe0c913e23ea authored about 1 year ago
DOC: Add `DataFrame.to_numpy` method (#57029)

Add DataFrame.to_numpy method

213e38ec4d88112bd0ff7198eafe0abc05a08536 authored about 1 year ago
DOC: fix EX03 errors in docstrings - pandas.Series.plot.line, pandas.Series.to_sql, pandas.read_json, pandas.DataFrame.to_sql (#57025)

* DOC: fix EX03 errors in docstrings - pandas.Series.plot.line, pandas.Series.to_sql, pandas.rea...

576ba2843e08a517c7884719593a2c23566ee03c authored about 1 year ago
PERF: MultiIndex.equals for equal length indexes (#56990)

* avoid densifying level values in MultiIndex.equals

* whatsnew

72814750548b5ead5b08cd9b90d56a23c9a520ea authored about 1 year ago
BUG: DataFrame.join inconsistently setting result index name (#56948)

* Index.join result name

* whatsnew

* update test

fe244bafeb81e6ef657a9576eab5867539c62806 authored about 1 year ago
raise error on unsafe decimal parse with pyarrow types (#56985)

* raise error on unsafe decimal parse with pyarrow types

* fix min versions

* restore type...

c3fc9bb840b25876565c5e750a0b97735a60f39c authored about 1 year ago
DOC: mention both mirror methods (#57009)

mention both mirror methods

fbec88ceef7cddf0c5e362a9823374805832720e authored about 1 year ago
Fix docstring (#57014)

* fix PR02 in resampling function

* fix PR02 in interpolate function

* fix PR02 in string ...

26256d5f210f1567c16b66b20f6e8ea01e997a6f authored about 1 year ago
REGR: merge_ordered with fill_method="ffill" and how="left" (#57018)

fix regression in merge_ordered

fa152aba113a4222351dc0ad69c23d4334a33045 authored about 1 year ago
Remove SKIP summary from CI logs (#57011)

b29e2933e53873c3e0e714c748ee1c5af307e70c authored about 1 year ago
CI: pyarrow nightly failures (#57005)

use RecordBatchReader.read_all to get table

9e121dbdd6304f76b1b795dc7a771ba79d2e4b7c authored about 1 year ago
STY: Enable B904 (#56941)

5740667a55aabffc660936079268cee2f2800225 authored about 1 year ago
CI/DOC: Enforce PR02 in CI (#56971)

7a265c289dabd9a2d0a41e197c3bd382904c2c9e authored about 1 year ago
Fix ci not raises on error (#56970)

488f6bd5c08111603549d42effc6dbb7fec935f0 authored about 1 year ago
DOC: Add release notes for 2.2.1 (#56982)

53525ea1c333579ee612244ddea4958d900844fc authored about 1 year ago
DOC: Change 2.3.0 to 3.0.0 (#56823)

* DOC: Change 2.3.0 to 3.0.0

* Update v2.1.4.rst

cfc3415120f29f2eee09b9c8b4ce6057e9f5d41f authored about 1 year ago
DOC: fix EX03 errors in docstrings - pandas.errors: SettingWithCopyWarning, SpecificationError, UndefinedVariableError (#56989)

567c789e44fd9bf8ebe10fc03afc721201b9aead authored about 1 year ago
WEB: Fix typo in dropdown page (#56986)

21b3906a39eca5ba8220d5e34ca1f204a68a5adb authored about 1 year ago
WEB: Add version 2.2 to the dropdown (#56980)

* WEB: Add version 2.2 to the dropdown

* Update versions.json

5849cc7c3bfded6a1ebc3ad46f621268ed8d97cf authored about 1 year ago
CI: Adjust pyarrow depr warning to account for different newlines on … (#56967)

* CI: Adjust pyarrow depr warning to account for different newlines on Windows

* try somethin...

696d78ca5167a1e0b16270be32f938903350ef4d authored about 1 year ago
DOC: fixed Ex03 errors in docstrings: pandas.io.formats.style.Styler.to_latex and pandas.read_parquet (#56953)

Addressing validation errors

157e97bf41331306e1a5690c7f6e877b05e97ff4 authored about 1 year ago
DEPR: Make FutureWarning into DeprecationWarning for groupby.apply (#56952)

* DEPR: Make FutureWarning into DeprecationWarning for groupby.apply

* suppress extra warning...

24f61394e3b88d296971ac43d5937f6c11afca42 authored about 1 year ago
DEPS: Add warning if pyarrow is not installed (#56896)

* add warning

* DEPS: Add warning if pyarrow is not installed

* formatting

* Update __i...

5c2a4075b257b78b34ed387461f4e45298434a1a authored about 1 year ago
REGR: DatetimeTZDtype __from_arrow__ interprets UTC values as wall time (#56922)

ee32f76387b911bd56f3f0c92233b822611194c7 authored about 1 year ago
CI: avoid FutureWarnings in to_xarray tests (#56949)

avoid FutureWarnings in to_xarray tests

32f8932f84f50e14128937f2f7d5ddea4011437f authored about 1 year ago
Update copyright year (#56960)

1cc7e195aa139fa0c892a9e481c50f2ea0584afe authored about 1 year ago
DOC: Set date for 2.2 (#56947)

* DOC: Set date for 2.2

* oops

e158765b6046c4b9b00292e2f1187651f6a8b42d authored about 1 year ago
ENH: support the Arrow PyCapsule Interface on pandas.DataFrame (export) (#56587)

* ENH: support the Arrow PyCapsule Interface on pandas.DataFrame

* expand documentation on ho...

7212ecd7791d92d83b7a5d48ababae6b67e4670e authored about 1 year ago
CLN: Drop Numpy 1.22 per NEP29 (#56838)

e544b9f39e6427126e57affed9aa784b2c63d8ce authored about 1 year ago
DOC: Remove inconsistency with timestamp data in describe() method docs (#56937)

Remove inconsistency in describe() method docs

0b1f141c5ef43954c7d6f786745778c9c1fb993b authored about 1 year ago
DOC: Remove references to AxesSubPlot #56876 (#56943)

7402f15e81f13c9939e952585f0bbb98e9fac345 authored about 1 year ago
BUG: fix `groupby.quantile` inconsistency when interpolation='nearest' (#56926)

* BUG: fix groupby.quantile inconsistency when interpolation='nearest'

* add whatsnew

* Ad...

dd29be75eba93bf0c3edbcade05f57639a87f750 authored about 1 year ago
DOC: Ex03 errors docstrings (#56905)

* Fix exo3 and remove unused code

* Remove unused in code_checks

* Fix 's' to 'v' in Style...

f459437d7a7dc10db82437aa4438f058173212a7 authored about 1 year ago
DOC: 2.2.0 whatsnew cleanups (#56824)

* DOC: 2.2.0 whatsnew cleanups

* fixups

d4bd7e40400fc5468d69fd6b92479b85f4ec614e authored about 1 year ago
Adjust merge tests for new string option (#56445)

* BUG: merge not raising for String and numeric merges

* BUG: merge not sorting for new strin...

9e0b6556b77b554f43067d06057dd05c6e8b8dc4 authored about 1 year ago
DOC: Add docs for read_sql to avoid sql injection (#56546)

* add docs for read_sql to avoid sql injection

* resolve formatting

* re-word the docs

...

0ffb7e9da5ebcbb1e9df32cf2ed4ff097dba6352 authored about 1 year ago
PERF: DataFrame.join with how=left|right and sort=True (#56919)

* use argsort indexer

* whatsnew

* mypy

c7cc22a1eed9a33b3468106321f9829e2ea05bfd authored about 1 year ago