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Issues list

API: concat of frames with multi-index with non-matching names Bug MultiIndex Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#10187 opened May 21, 2015 by jorisvandenbossche updated May 22, 2015
4
BUG in plotting timeseries data with twinx (different data representation on each ax) Bug Visualization plotting
#14322 opened Sep 29, 2016 by cygenb0ck updated Nov 26, 2016
1
8
Release GIL for Merge Performance Memory or execution speed performance Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#13745 opened Jul 22, 2016 by mrocklin updated Dec 2, 2016
9
DataFrame.to_hdf append feature does behave properly Docs IO HDF5 read_hdf, HDFStore
#9320 opened Jan 21, 2015 by aphearin updated Jun 8, 2017
10
Inconsistent plotting of DateTimeIndex Docs Visualization plotting
#17001 opened Jul 17, 2017 by gliptak updated Jul 19, 2017
5
DOC: Anchored Offset Starting Quarter and Year defaults to JAN not DEC Docs Frequency DateOffsets
#17787 opened Oct 4, 2017 by tdpetrou updated Oct 5, 2017
2
Series of dtype float128 does not print correctly Bug Output-Formatting __repr__ of pandas objects, to_string
#17809 opened Oct 6, 2017 by welchr updated Oct 8, 2017
2
Behavior of new df.agg, df.transform and df.apply is very inconsistent Apply Apply, Aggregate, Transform, Map Bug Groupby
#18103 opened Nov 4, 2017 by memeplex updated Nov 4, 2017
3
BUG/VIS: can't add a line with DatetimeIndex/datetime64 as x-values on timeseries plot Bug Visualization plotting
#9053 opened Dec 11, 2014 by jorisvandenbossche updated Nov 24, 2017
1
DOC: further clarifications to docstring guide Docs
#20309 opened Mar 12, 2018 by jorisvandenbossche updated Mar 15, 2018
8
crosstab's dependency on common index produces undesirable error Docs Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#20496 opened Mar 27, 2018 by jsh9 updated Mar 27, 2018
5
Use select_column if possible when read_hdf IO HDF5 read_hdf, HDFStore Performance Memory or execution speed performance
#20673 opened Apr 12, 2018 by dzubo updated Apr 15, 2018
1
HDFStore.put produces PerformanceWarning when used with categories with long values IO HDF5 read_hdf, HDFStore Performance Memory or execution speed performance
#21638 opened Jun 26, 2018 by p-himik updated Jun 28, 2018
3
df.groupby(.).plot.scatter() creates multiple plots Groupby Visualization plotting
#21963 opened Jul 18, 2018 by toobaz updated Aug 16, 2018
1
DOC: html build of class docstrings without autosummary shows None Docs
#22398 opened Aug 17, 2018 by jorisvandenbossche updated Aug 18, 2018
4
read_csv doc says 1st param can be any object with read method--misleading Docs IO CSV read_csv, to_csv
#17969 opened Oct 24, 2017 by WDBell updated Sep 9, 2018
2
ENH: more joins for DataFrame.update Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#21855 opened Jul 11, 2018 by h-vetinari updated Sep 19, 2018
19
DOC: DateOffset with month around end of February does not reproduce consecutive dates Docs Frequency DateOffsets
#22929 opened Oct 1, 2018 by pjarnhus updated Oct 4, 2018
1
4
DOC: Redirect old whatsnew links Docs
#23695 opened Nov 14, 2018 by TomAugspurger updated Nov 15, 2018
1
7
Ignore display.max_rows in DataFrame.to_html(escape=False) Bug IO HTML read_html, to_html, Styler.apply, Styler.applymap
#9690 opened Mar 20, 2015 by flying-sheep updated Jan 13, 2019
DataFrame groupby.aggregate.to_dict() to JSON-compatible nested dict or list Enhancement
#20981 opened May 8, 2018 by admercs updated Jan 13, 2019
8
wide_to_long orders the column corresponding to the j parameter inconsistently Bug MultiIndex Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#24831 opened Jan 18, 2019 by timgeb updated Jan 22, 2019
1
BUG: Weird console formatting defaults Bug Output-Formatting __repr__ of pandas objects, to_string
#22524 opened Aug 28, 2018 by wesm updated Jan 24, 2019
27
pandas.DataFrame.rolling should accept Timedelta not DateOffset Docs Window rolling, ewma, expanding
#24900 opened Jan 24, 2019 by trendelkampschroer updated Jan 25, 2019
6
'ascii' codec can't decode byte 0xd1 in position 2: ordinal not in range(128) Enhancement IO Excel read_excel, to_excel
#23444 opened Nov 1, 2018 by mau21mau updated Mar 22, 2019
1
10
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