Top pandas issues

DataFrame.to_json silently ignores index parameter for most orients.

Bug IO JSON
dargueta picture dargueta·1 Mar 2019·19 Comments

na_rep Truncated With Int64 dtype in to_csv

Bug ExtensionArray IO CSV Output-Formatting
mvinoba picture mvinoba·3 Feb 2019·1 Comments
👍1

Bug on .to_string(index=False)

Bug Output-Formatting Regression Strings
simontorres picture simontorres·28 Jan 2019·15 Comments

DataFrame.groupby() is terribly slow when grouping by multiple columns and one of them is Categorical

Usage Question
pawel-wiejacha picture pawel-wiejacha·18 Dec 2018·3 Comments

merge left_on enter multiple columns of content

Usage Question
zhaohongqiangsoliva picture zhaohongqiangsoliva·28 Nov 2018·2 Comments

pandas groupby sum min_count misbehaves

Bug Groupby Missing-data Numeric
ginward picture ginward·25 Nov 2018·12 Comments

Can't import xlsxwriter

Usage Question
osolop picture osolop·14 Nov 2018·2 Comments

read_fwf: skip_blank_lines does nothing

Bug IO Fixed Width
ivanradicek picture ivanradicek·13 Sep 2018·6 Comments

BUG or DOC: pd.read_csv with parse_dates does not recognize timezone

Bug IO CSV Timeseries
swyoon picture swyoon·9 Aug 2018·7 Comments
👍1

BUG: Regression creating DataFrame from nested dict

Bug Regression
wesm picture wesm·7 Aug 2018·8 Comments
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