pandas issues | Ecosyste.ms: OpenCollective

BUG: wrong behaviour / segfaults when data from Index have been unintentionally modified

github.com/pandas-dev/pandas - rangeonnicolas opened this issue over 4 years ago

BUG: setting with iloc and no labels does not effect certain data types

github.com/pandas-dev/pandas - rhshadrach opened this issue over 4 years ago

Cython 3.0 Checklist

github.com/pandas-dev/pandas - jbrockmendel opened this issue over 4 years ago

BUG: pd.concat inconsistent behaviour with empty and tz-aware Series

github.com/pandas-dev/pandas - dave-cz opened this issue over 4 years ago

BUG: grouping with categorical interval columns

github.com/pandas-dev/pandas - antipisa opened this issue over 4 years ago

BUG: Join of DataFrames with MultiIndex does not keep order of index

github.com/pandas-dev/pandas - rikardn opened this issue almost 5 years ago

API: argmin/argmax behaviour for nullable dtypes with skipna=False

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue almost 5 years ago

API/BUG: Series.argmin/max with all-NaN data returns -1 ?

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue almost 5 years ago

API: how strict should the equals() method be?

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue almost 5 years ago

BUG: Local test fail due to change of botocore error handling

github.com/pandas-dev/pandas - monferrand opened this issue almost 5 years ago

Performance regression in rolling.Quantile.time_quantile

github.com/pandas-dev/pandas - TomAugspurger opened this issue almost 5 years ago

BUG: Cannot save categorical index to HDF5

github.com/pandas-dev/pandas - jakeanq opened this issue almost 5 years ago

COMPAT: add back block manager constructors to pandas.core.internals API

github.com/pandas-dev/pandas - jorisvandenbossche opened this pull request almost 5 years ago

ENH: Support setting dataset name in to_hdf and datasets in hdf5 root node

github.com/pandas-dev/pandas - maxnoe opened this issue almost 5 years ago

API/BUG: freq retention in value_counts

github.com/pandas-dev/pandas - jbrockmendel opened this issue almost 5 years ago

BUG: multiplying Business Hour (BH) offset by zero results in strange behavior

github.com/pandas-dev/pandas - ahyerman opened this issue almost 5 years ago

BUG: frequency attribute lost if datetimeindex is localized

github.com/pandas-dev/pandas - rwijtvliet opened this issue almost 5 years ago

Vectorize DataFrame `first_valid_index()` and `last_valid_index()`

github.com/pandas-dev/pandas - jkleint opened this issue almost 5 years ago

BUG: mix of int and pd.NA defaults to object dtype

github.com/pandas-dev/pandas - eddy-geek opened this issue almost 5 years ago

ENH: add a float_precision='low' option to read_csv

github.com/pandas-dev/pandas - gosuto-inzasheru opened this issue almost 5 years ago

ENH: Prettier printing of DataFrames with nested objects, discuss?

github.com/pandas-dev/pandas - bwllc opened this issue almost 5 years ago

BUG: merge left and merge inner produce different index-order

github.com/pandas-dev/pandas - rwijtvliet opened this issue almost 5 years ago

QST: Why is resample with high frequency faster than lower frequency

github.com/pandas-dev/pandas - Bougeant opened this issue almost 5 years ago

API/DEPR: DataFrame/Series.replace is too complex.

github.com/pandas-dev/pandas - simonjayhawkins opened this issue almost 5 years ago

Consider adding isnative property to StringDtype?

github.com/pandas-dev/pandas - krassowski opened this issue almost 5 years ago

API: EA interface - strictness of _from_sequence

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue almost 5 years ago

Post on type hints

github.com/pandas-dev/pandas-blog - TomAugspurger opened this issue almost 5 years ago

Support pydata/sparse arrays in DataFrame

github.com/pandas-dev/pandas - TomAugspurger opened this issue almost 5 years ago

BUG: truncated repr with pd.NA in object dtype column shows "NaN"

github.com/pandas-dev/pandas - HYChou0515 opened this issue almost 5 years ago

pd.NA in object dtype

github.com/pandas-dev/pandas - simonjayhawkins opened this issue almost 5 years ago

TST: Improve searchsorted test coverage

github.com/pandas-dev/pandas - dsaxton opened this issue almost 5 years ago

update for 1.0.3

github.com/pandas-dev/pandas-release - TomAugspurger opened this pull request almost 5 years ago

update for 1.0.2

github.com/pandas-dev/pandas-release - TomAugspurger opened this pull request almost 5 years ago

mean with skipna either True or False on groupby gives error

github.com/pandas-dev/pandas - navankurverma opened this issue almost 5 years ago

Incorrect result with DateOffset.rollback for normalize=True

github.com/pandas-dev/pandas - kdebrab opened this issue almost 5 years ago

Fix capitalization among headings in documentation files

github.com/pandas-dev/pandas - tonywu1999 opened this issue almost 5 years ago

TST: Seemingly non-deterministic order of value_counts

github.com/pandas-dev/pandas - SaturnFromTitan opened this issue almost 5 years ago

DataFrame output too wide / not truncated properly

github.com/pandas-dev/pandas - emsems opened this issue almost 5 years ago

incosistencies in dataframe.dtype.isin() - I am getting inconsistent with different runs on same code.

github.com/pandas-dev/pandas - maleknia opened this issue almost 5 years ago

Include tests for pd.NA and pd.NaT in tests/base/test_ops.py

github.com/pandas-dev/pandas - SaturnFromTitan opened this issue almost 5 years ago

Memory leaks if an object is saved in a DataFrame and references the DataFrame

github.com/pandas-dev/pandas - rbolgaryn opened this issue almost 5 years ago

BLD: Clang error while installing snappy in requirements-dev.txt

github.com/pandas-dev/pandas - kendricng opened this issue almost 5 years ago

BUG: Groupby.transform with tshift giving incorrect result

github.com/pandas-dev/pandas - ryankarlos opened this issue almost 5 years ago

local test failure - pandas/tests/io/test_parquet.py::TestBasic::test_compression[fastparquet-snappy]

github.com/pandas-dev/pandas - simonjayhawkins opened this issue almost 5 years ago

Joining on a nullable column

github.com/pandas-dev/pandas - dsaxton opened this issue almost 5 years ago

API: distinguish NA vs NaN in floating dtypes

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue almost 5 years ago

[FEATURE] Ability to pass regex module flags in DataFrame.replace while regex=True

github.com/pandas-dev/pandas - vishnu-dev opened this issue almost 5 years ago

experimental change

github.com/pandas-dev/pandas-user-surveys - upadhyayans opened this pull request almost 5 years ago

Protecting sensitive columns while displaying data-frames at Jupyter notebook (feature request)

github.com/pandas-dev/pandas - pavlovdog opened this issue almost 5 years ago

merge coerces to left dtype even with how='right'

github.com/pandas-dev/pandas - MarcoGorelli opened this issue almost 5 years ago

pandas.Dataframe.interpolate() does not extrapolate even if it is asked to, depending on interpolation method

github.com/pandas-dev/pandas - typorian opened this issue almost 5 years ago

BUG: wrong errors when indexing with list that includes pd.NA

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue almost 5 years ago

Build Wheels with GH Actions

github.com/pandas-dev/pandas-release - WillAyd opened this pull request almost 5 years ago

`to_json` of Series with period dtype results in AttributeError

github.com/pandas-dev/pandas - gerrymanoim opened this issue almost 5 years ago

Add generic buffer (s3) support to read_hdf

github.com/pandas-dev/pandas - pedroreys opened this issue almost 5 years ago

`test_maybe_promote_int_with_int` error on 32bit platform

github.com/pandas-dev/pandas - toddrme2178 opened this issue almost 5 years ago

pd.read_csv automatically casts strings into int/float

github.com/pandas-dev/pandas - rusiano opened this issue about 5 years ago

update siteurl.

github.com/pandas-dev/pandas-blog - TomAugspurger opened this pull request about 5 years ago

Main website should be from master

github.com/pandas-dev/pandas-release - TomAugspurger opened this issue about 5 years ago

PERF: Indexing a multi-index is a lot slower

github.com/pandas-dev/pandas - valtron opened this issue about 5 years ago

query works for string data type columns with missing values but not for boolean indexing

github.com/pandas-dev/pandas - tdpetrou opened this issue about 5 years ago

1.0.0

github.com/pandas-dev/pandas-release - TomAugspurger opened this pull request about 5 years ago

Wheels downloading to wrong location

github.com/pandas-dev/pandas-release - TomAugspurger opened this issue about 5 years ago

conda-forge diff display is broken

github.com/pandas-dev/pandas-release - TomAugspurger opened this issue about 5 years ago

tag.py broken for releases .0 releases after an rc

github.com/pandas-dev/pandas-release - TomAugspurger opened this issue about 5 years ago

post: pandas 1.0

github.com/pandas-dev/pandas-blog - TomAugspurger opened this pull request about 5 years ago

AssertionError creating array with StringDtype instead of StringDtype(), can we have a friendlier error message?

github.com/pandas-dev/pandas - gerritholl opened this issue about 5 years ago

MyPy doesn't recognize scalar arithmetic for pandas classes

github.com/pandas-dev/pandas - WillAyd opened this issue about 5 years ago

API: inconsistency in casting back to its EA dtype (try_cast_to_ea)

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue about 5 years ago

PERF: DataFrame.mean() is slow with datetime columns

github.com/pandas-dev/pandas - richierocks opened this issue about 5 years ago

Pandas .plot() on regularly spaced timeseries result in slow plotting/interaction

github.com/pandas-dev/pandas - rhkarls opened this issue about 5 years ago

Moving download_wheels.py script from pandas

github.com/pandas-dev/pandas-release - datapythonista opened this pull request about 5 years ago

as_index = False not working for applying groupby rolling agg to DataFrame

github.com/pandas-dev/pandas - hsorsky opened this issue about 5 years ago

REF: remove method and tolerance keywords from Index.get_loc

github.com/pandas-dev/pandas - jbrockmendel opened this issue about 5 years ago

skip cythonization

github.com/pandas-dev/pandas-release - TomAugspurger opened this pull request about 5 years ago

use pandas dev as the author

github.com/pandas-dev/pandas-release - TomAugspurger opened this pull request about 5 years ago

Suggestion: remove tests from the distribution

github.com/pandas-dev/pandas - vfilimonov opened this issue about 5 years ago

BUG: Support win_type parameter with groupby.rolling

github.com/pandas-dev/pandas - ghost opened this issue about 5 years ago

PERF: groupby with many empty groups memory blowup

github.com/pandas-dev/pandas - jbrockmendel opened this issue about 5 years ago

Strange behaviour of pd.DataFrame.drop() with inplace argument

github.com/pandas-dev/pandas - DenisVorotyntsev opened this issue about 5 years ago

TYPING: keywords in df.sort_values and sr.sort_values cannot be annotated

github.com/pandas-dev/pandas - charlesdong1991 opened this issue about 5 years ago

ENH: Requested IO readers/writers

github.com/pandas-dev/pandas - jbrockmendel opened this issue about 5 years ago

tm.assert_series_equal checking on Integer EA should be exact by default?

github.com/pandas-dev/pandas - simonjayhawkins opened this issue about 5 years ago

errors='ignore' does not work on df.replace({col : type}) if col not found

github.com/pandas-dev/pandas - climatebrad opened this issue about 5 years ago

ENH: Add numba engine for rolling apply

github.com/pandas-dev/pandas - mroeschke opened this pull request about 5 years ago

SettingWithCopyWarning raised unnecessarily with .fillna() on df with multiple indices

github.com/pandas-dev/pandas - rebeccachinn opened this issue about 5 years ago

pandas.read_sql_table switches double quotation wrapping keys and values to single quotation in JSON columns

github.com/pandas-dev/pandas - Magicbeanbuyer opened this issue about 5 years ago

Thousands separator for to_csv

github.com/pandas-dev/pandas - ghisvail opened this issue about 5 years ago

Add Tom to the NumFOCUS subcommitte

github.com/pandas-dev/pandas-governance - TomAugspurger opened this pull request about 5 years ago

API: return "correct" missing value scalar from Categorical?

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue about 5 years ago

Start Using GitHub Actions

github.com/pandas-dev/pandas-release - WillAyd opened this issue about 5 years ago

Using to_json/read_json with orient='table' on a DataFrame with a single level MultiIndex does not work

github.com/pandas-dev/pandas - larrymouse opened this issue about 5 years ago

Added FutureWarning to Series.str.__iter__

github.com/pandas-dev/pandas - SaturnFromTitan opened this pull request about 5 years ago

Use an enum for infer_dtype return values?

github.com/pandas-dev/pandas - TomAugspurger opened this issue about 5 years ago

ENH: Allow opting in to new dtypes on I/O routines via keyword to I/O routines

github.com/pandas-dev/pandas - Dr-Irv opened this issue about 5 years ago

Adding (Insert or update if key exists) option to .to_sql #14553

github.com/pandas-dev/pandas - cvonsteg opened this pull request about 5 years ago

Maintain Docker Environments for Doc Builds

github.com/pandas-dev/pandas-release - WillAyd opened this issue about 5 years ago

add Simon, Terji

github.com/pandas-dev/pandas-governance - TomAugspurger opened this pull request about 5 years ago

Write down policy on adding triage members.

github.com/pandas-dev/pandas-governance - TomAugspurger opened this issue about 5 years ago

startingMonth ignored on non-unitary Quarter periods

github.com/pandas-dev/pandas - aulemahal opened this issue about 5 years ago