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Not possible to concatenate DataFrames with sparse data without copying ExtensionArray Needs Tests Sparse
#30316 opened Dec 18, 2019 by MezentsevIlya Contributions Welcome
1
join doesn't add rsuffix to all columns - multiindex - intermittent
#30315 opened Dec 18, 2019 by jayenashar
1
CI: travis-36-cov failing CI
#30309 opened Dec 17, 2019 by TomAugspurger
Ability to Unnest Series of Dicts Enhancement
#30300 opened Dec 17, 2019 by bnaul
4
CI: Checks job aborted if a step fails CI good first issue
#30298 opened Dec 17, 2019 by datapythonista
@suzutomato
4
DEPR: Remove pandas.np API Design Deprecate good first issue
#30296 opened Dec 17, 2019 by datapythonista 1.0
7
Docs request: Specifying behavior of `dtype` parameter
#30291 opened Dec 16, 2019 by christina-zhou-96
groupby.quantile(<arraylike>) fails with AssertionError API Design Bug Groupby MultiIndex Reshaping
#30289 opened Dec 16, 2019 by ketzu Contributions Welcome
2
The setting xrot=0 in DataFrame.hist() doesn't work with by and subplots Visualization
#30288 opened Dec 16, 2019 by PavloFesenko
read_html docs inconsistent with behaviour if lxml not installed Bug IO HTML
#30281 opened Dec 15, 2019 by attack68
1
Very frustrating not to be able to apply per-column date formats exporting to Excel IO Excel
#30275 opened Dec 14, 2019 by stevecj Contributions Welcome
3
Int64 with null value mangles large-ish integers Bug ExtensionArray
#30268 opened Dec 13, 2019 by craigdsthompson Contributions Welcome
@rushabh-v
3
iloc erroneously truncates underlying data for timestamps with timezone Bug ExtensionArray Indexing
#30263 opened Dec 13, 2019 by jakevdp
2
Builtin loading of files from multi-file zip archives API Design IO Data Needs Discussion
#30262 opened Dec 13, 2019 by abmyii
8
Groupby agg works with pd.Series.nunique, but groupby nunique fails with axis=1 Groupby
#30253 opened Dec 13, 2019 by nlepleux
4
Appending to DataFrame removes the timezone-awareness Reshaping Timezones
#30238 opened Dec 12, 2019 by MarcoGorelli
2
CI: 32-bit build failing. 32bit CI
#30236 opened Dec 12, 2019 by TomAugspurger
5
Move 'For Developers' content from wiki to contributing docs. Docs good first issue
#30232 opened Dec 12, 2019 by simonjayhawkins 0 of 10 Contributions Welcome
1
DEPR: log of deprecations in 1.x (to be removed in 2.0) Admin Deprecate
#30228 opened Dec 12, 2019 by jorisvandenbossche 0 of 7 2.0
2
Feature Request: Convenience method to rename a column API Design Enhancement
#30224 opened Dec 12, 2019 by Khris777
1
Feature request: Protocol for converting something to a pandas DataFrame
#30218 opened Dec 11, 2019 by amueller
Renaming DataFrame and Series is inconsistent when inplace=True
#30211 opened Dec 11, 2019 by Hvass-Labs
2
pd.read_sql timestamptz converted to object dtype IO SQL
#30207 opened Dec 11, 2019 by ThibTrip
DOC: undocumented head(n), tail(n) accept negative values. But not on GroupBy Docs Groupby
#30192 opened Dec 10, 2019 by smcinerney
2
DOC: when accessed from inside a column-wise `df.apply(..., axis=1)`, row.index refers to df.columns, and row.name refers to df.index value
#30191 opened Dec 10, 2019 by smcinerney
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