pandas issues | Ecosyste.ms: OpenCollective

Add support for extra formats to all .strftime() methods.

github.com/pandas-dev/pandas - ngnpope opened this issue over 6 years ago

"RecursionError: maximum recursion depth exceeded while calling a Python object" when using groupby, resample, and agg

github.com/pandas-dev/pandas - trianta2 opened this issue over 6 years ago

DOC: Template Timestamp & NaT docstrings

github.com/pandas-dev/pandas - mroeschke opened this issue over 6 years ago

ASV: docs, runtime, stability, build acceleration, PR integration?

github.com/pandas-dev/pandas - h-vetinari opened this issue over 6 years ago

PERF: concat perf

github.com/pandas-dev/pandas - TomAugspurger opened this issue over 6 years ago

pandas.cut: the 'include_lowest' argument isn't behaving as documented

github.com/pandas-dev/pandas - evarga opened this issue over 6 years ago

Require the dtype of SparseArray.fill_value and sp_values.dtype to match

github.com/pandas-dev/pandas - TomAugspurger opened this issue over 6 years ago

DataFrame merge significantly slower in Python 3.6 and 3.7

github.com/pandas-dev/pandas - mpeleshenko opened this issue over 6 years ago

ENH: allow rolling with non-numerical (eg string) data

github.com/pandas-dev/pandas - randomgambit opened this issue over 6 years ago

Add chunksize support to to_json

github.com/pandas-dev/pandas - julienfr112 opened this issue over 6 years ago

ExtensionArray.value_counts

github.com/pandas-dev/pandas - TomAugspurger opened this issue over 6 years ago

DOC: Generating docs doesn't work if path has whitespaces

github.com/pandas-dev/pandas - datapythonista opened this issue over 6 years ago

merge_asof can't handle floats in by column?

github.com/pandas-dev/pandas - rndeon opened this issue over 6 years ago

Verify rpy2 install in docs image

github.com/pandas-dev/pandas-release - TomAugspurger opened this issue over 6 years ago

Reading SAS time variables

github.com/pandas-dev/pandas - sasutils opened this issue over 6 years ago

Alternative wheel build

github.com/pandas-dev/pandas - lyssdod opened this issue over 6 years ago

Series.str.decode() turns arrays of strings to NaN and fails on byte strings

github.com/pandas-dev/pandas - abrakababra opened this issue over 6 years ago

Invitation for comments / use: reading large fixed-width datasets efficiently

github.com/pandas-dev/pandas - davclark opened this issue over 6 years ago

Add support for "regex" library

github.com/pandas-dev/pandas - pmav99 opened this issue over 6 years ago

get_group(...) fails for groupby(...) based on a function

github.com/pandas-dev/pandas - Kimonode opened this issue over 6 years ago

MultiIndex Bug Copying Values Incorrectly When Adding Values To Index

github.com/pandas-dev/pandas - JonahJ opened this issue over 6 years ago

[Feature Request] Providing a cache option for `pd.read_sql()`

github.com/pandas-dev/pandas - Ouwen opened this issue over 6 years ago

handle pandas api change

github.com/pandas-dev/pandas-msgpack - postelrich opened this pull request over 6 years ago

astype not converting timedelta and datetime strings

github.com/pandas-dev/pandas - fjdiod opened this issue over 6 years ago

Updating value of a single row of a column using loc or at fails

github.com/pandas-dev/pandas - abhinav-upadhyay opened this issue over 6 years ago

Refactor from_records to load data in an efficient way

github.com/pandas-dev/pandas - datapythonista opened this issue over 6 years ago

ENH: Interval type should support intersection, union & overlaps & difference

github.com/pandas-dev/pandas - haleemur opened this issue over 6 years ago

API: add `inplace` kwarg to NDFrame.droplevel

github.com/pandas-dev/pandas - vbarda opened this issue over 6 years ago

Slowdown of str(record) of DataFrame.to_records() method

github.com/pandas-dev/pandas - gitrus opened this issue over 6 years ago

DEPR: combine_first (replace with update(..., join='outer'); for both Series/DF)

github.com/pandas-dev/pandas - h-vetinari opened this issue over 6 years ago

DOC: Series.mask() should point to Series.where() and vice versa

github.com/pandas-dev/pandas - teoguso opened this issue over 6 years ago

Ensure good set up of the remotes

github.com/pandas-dev/pandas-release - jorisvandenbossche opened this issue over 6 years ago

pass username to wheels/conda-forge scripts

github.com/pandas-dev/pandas-release - jorisvandenbossche opened this pull request over 6 years ago

Support multiple characters for `comment` in read_csv

github.com/pandas-dev/pandas - orangeSi opened this issue over 6 years ago

BUG: .values for objects containing categoricals with box-able categories

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue over 6 years ago

Support axis=None in all reductions

github.com/pandas-dev/pandas - TomAugspurger opened this issue over 6 years ago

TST: Change class-based auto-use setup to fixtures

github.com/pandas-dev/pandas - TomAugspurger opened this issue over 6 years ago

Symlinking is messed up

github.com/pandas-dev/pandas-release - TomAugspurger opened this issue over 6 years ago

Error when unpickling subclass of pandas.DataFrame: __getstate__ doesn't return _item_cache and __setstate__ doesn't set self._internal_names before setting self._metadata

github.com/pandas-dev/pandas - hlums opened this issue over 6 years ago

Time Series Interpolation is wrong

github.com/pandas-dev/pandas - oricou opened this issue over 6 years ago

ENH: allow lists/sets in fillna

github.com/pandas-dev/pandas - h-vetinari opened this issue over 6 years ago

ensure PDF uploaded

github.com/pandas-dev/pandas-release - TomAugspurger opened this issue over 6 years ago

BUG: Series(DTI/TDI) loses the frequency information from original DTI/TDI

github.com/pandas-dev/pandas - jschendel opened this issue almost 7 years ago

A map method to work with many columns

github.com/pandas-dev/pandas - oricou opened this issue almost 7 years ago

High Memory Usage when Concatenating Partially Indexed Series to Multiindexed Dataframe

github.com/pandas-dev/pandas - cyniphile opened this issue almost 7 years ago

DOC clarify that pct_change() scale is actually 0-1, i.e. fractional_change()

github.com/pandas-dev/pandas - sunilshah opened this issue almost 7 years ago

Rolling sum (closed='left') with duplicate Timestamp indices.

github.com/pandas-dev/pandas - avivbd opened this issue almost 7 years ago

DataFrame.groupby.sum() is extremely slow when dtype is timedelta64[ns] compared to int64.

github.com/pandas-dev/pandas - wezzman opened this issue almost 7 years ago

ERR: pivot_table when number of levels larger than int32 range

github.com/pandas-dev/pandas - mklwong opened this issue almost 7 years ago

TST: Extract methods from TestXMySQL and TestXSQLite and remove

github.com/pandas-dev/pandas - TomAugspurger opened this issue almost 7 years ago

ENH adding metadata argument to DataFrame.to_parquet

github.com/pandas-dev/pandas - JacekPliszka opened this issue almost 7 years ago

DEPR: Series.view

github.com/pandas-dev/pandas - jreback opened this issue almost 7 years ago

CLN: remove fastpath & verify_integrity from constructors

github.com/pandas-dev/pandas - jreback opened this issue almost 7 years ago

Concat slow when frames indexed separately

github.com/pandas-dev/pandas - jeremywhelchel opened this issue almost 7 years ago

Pandas complains about an already opened file, even when the file has been closed.

github.com/pandas-dev/pandas - spott opened this issue almost 7 years ago

BUG: Retain timezone dtype with cut and qcut

github.com/pandas-dev/pandas - mroeschke opened this pull request almost 7 years ago

slow execution with internal error visible upon interruption for indexing with dataframe: TypeError: cannot convert bool to an floatblock

github.com/pandas-dev/pandas - denfromufa opened this issue almost 7 years ago

auto convert from string to datetime64 in iterrows.

github.com/pandas-dev/pandas - xiaoluffy opened this issue almost 7 years ago

pd.read_sql_query with chunksize: pandasSQL_builder should only be called when first chunk is requested

github.com/pandas-dev/pandas - leezu opened this issue about 7 years ago

DataFrame.__setitem__ performance regression with object dtype

github.com/pandas-dev/pandas - TomAugspurger opened this issue about 7 years ago

read_csv issues with dict for na_values

github.com/pandas-dev/pandas - neilser opened this issue about 7 years ago

Document our pytest fixtures

github.com/pandas-dev/pandas - TomAugspurger opened this issue about 7 years ago

ENH: A cheap copy on a dataframe

github.com/pandas-dev/pandas - has2k1 opened this issue about 7 years ago

DatetimeIndex comparison with ndim>1 incorrect or raises

github.com/pandas-dev/pandas - jbrockmendel opened this issue about 7 years ago

CLN: Refactor nanops' empty array handling

github.com/pandas-dev/pandas - TomAugspurger opened this issue about 7 years ago

Some interesting behavior from .groupby().apply( .to_records() )

github.com/pandas-dev/pandas - alexlenail opened this issue about 7 years ago

Groupby doesn't call aggregation on empty groups

github.com/pandas-dev/pandas - TomAugspurger opened this issue about 7 years ago

Offsets Roundup

github.com/pandas-dev/pandas - jbrockmendel opened this issue about 7 years ago

Series not honoring class __repr__ or __str__

github.com/pandas-dev/pandas - achapkowski opened this issue about 7 years ago

Merge with how='inner' does not always preserve the order of the left keys

github.com/pandas-dev/pandas - haimivan opened this issue about 7 years ago

No SettingWithCopyWarning for chained indexing when .loc or .iloc is first indexer

github.com/pandas-dev/pandas - tdpetrou opened this issue about 7 years ago

Feature Request/Idea Treat a DataFrame full of Series as a Multindex Dataframe

github.com/pandas-dev/pandas - AKuederle opened this issue about 7 years ago

.loc with (scalar, slice(None)) on MultiIndex does not drop first level

github.com/pandas-dev/pandas - toobaz opened this issue about 7 years ago

Can u remove the cython generated code *.cpp

github.com/pandas-dev/pandas-msgpack - nooperpudd opened this issue about 7 years ago

search path of pandas read_csv function

github.com/pandas-dev/pandas - ardeal opened this issue over 7 years ago

DataFrame.interpolate() failes with complex dtype

github.com/pandas-dev/pandas - jennirinker opened this issue over 7 years ago

CI: turn on debug builds on windows

github.com/pandas-dev/pandas - jreback opened this issue over 7 years ago

API: should Series.get be strictly label based or allow positional?

github.com/pandas-dev/pandas - jorisvandenbossche opened this issue over 7 years ago

stack() casts to float when called on levels not requiring it

github.com/pandas-dev/pandas - toobaz opened this issue over 7 years ago

ENH? to_datetime: ability to infer unit for numeric values

github.com/pandas-dev/pandas - cailiang9 opened this issue over 7 years ago

Please add force_suffixes to pandas.merge()

github.com/pandas-dev/pandas - sorenwacker opened this issue over 7 years ago

Use Turbodbc/Arrow for read_sql_table

github.com/pandas-dev/pandas - mrocklin opened this issue over 7 years ago

DatetimeIndex selection with .loc is orders of magnitude slower than [] on ordered frame

github.com/pandas-dev/pandas - tdpetrou opened this issue over 7 years ago

DataFrame.plot() with mplstyle file option axes.grid.axis: y behaves like axes.grid.axis: both

github.com/pandas-dev/pandas - luisdelatorre012 opened this issue over 7 years ago

Accept dictionaries for mapping categories in Categorical Data

github.com/pandas-dev/pandas - robertour opened this issue over 7 years ago

Groupy chunks are garbage-collected even if still referenced

github.com/pandas-dev/pandas - toobaz opened this issue over 7 years ago

Simultaneously melt multiple columns

github.com/pandas-dev/pandas - tdpetrou opened this issue over 7 years ago

API: column ordering on `get_dummies` #12010

github.com/pandas-dev/pandas - Giftlin opened this issue over 7 years ago

DOC: nice links / examples for setting with copy & aggregation

github.com/pandas-dev/pandas - jreback opened this issue over 7 years ago

DatetimeIndex plot converter performance

github.com/pandas-dev/pandas - jondoesntgit opened this issue over 7 years ago

Inconsistent results for groupby on multiple columns with NaN value

github.com/pandas-dev/pandas - linar-jether opened this issue over 7 years ago

BUG: groupby(.., as_index=False) with a TimeGrouper

github.com/pandas-dev/pandas - randomgambit opened this issue over 7 years ago

Update institutional partners

github.com/pandas-dev/pandas-governance - jorisvandenbossche opened this pull request over 7 years ago

BUG: read_csv fails some http servers if port number is specified

github.com/pandas-dev/pandas - skynss opened this issue over 7 years ago

COMPAT: safe argsort in Index/Series

github.com/pandas-dev/pandas - jreback opened this issue over 7 years ago

Update institutional partners section

github.com/pandas-dev/pandas-governance - wesm opened this pull request over 7 years ago

API: provide a to_enum method for Categorical dtypes?

github.com/pandas-dev/pandas - chris-b1 opened this issue over 7 years ago

Unexpected results creating an empty Series

github.com/pandas-dev/pandas - AllenDowney opened this issue over 7 years ago

I am getting error installing Pandas on AWS Lightsail with Amazon Linux image.

github.com/pandas-dev/pandas - prabhatM opened this issue over 7 years ago

Support latest pandas

github.com/pandas-dev/pandas-msgpack - dhirschfeld opened this issue over 7 years ago