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Issues list

BUG: Reassigning an index in a Series with a 1 dimensional numpy array of length 1 loses dimension. Regression from v 2.0.0 Bug Indexing Related to indexing on series/frames, not to indexes themselves Nested Data Data where the values are collections (lists, sets, dicts, objects, etc.). Regression Functionality that used to work in a prior pandas version
#53565 opened Jun 8, 2023 by lendle
2 of 3 tasks
4 😕 3
Weird DatetimeIndex + secondary y axis plotting issue Bug Datetime Datetime data dtype Visualization plotting
#18768 opened Dec 13, 2017 by soxofaan
6 😕 1
Assigning with loc using an index with string values Bug Indexing Related to indexing on series/frames, not to indexes themselves
#22500 opened Aug 24, 2018 by chrisroat
3 😕 1
BUG: Date objects cannot be compared against a DatetimeIndex Bug datetime.date stdlib datetime.date support Datetime Datetime data dtype Index Related to the Index class or subclasses Regression Functionality that used to work in a prior pandas version
#35466 opened Jul 29, 2020 by knabben
2 of 3 tasks
1
8 😕 1
BUG: pd.query odd behavior while working with dropped NA boolean Series Bug expressions pd.eval, query
#45876 opened Feb 8, 2022 by Syndorik
3 tasks done
1 😕 1
BUG: Using tuples to specify single columns in .loc Bug Indexing Related to indexing on series/frames, not to indexes themselves
#54464 opened Aug 8, 2023 by SudhanAnnamalai
2 of 3 tasks
6 😕 1
BUG:read_csv misleading handling of csv files containing rows with different number of delimiters Enhancement Error Reporting Incorrect or improved errors from pandas IO CSV read_csv, to_csv Needs Discussion Requires discussion from core team before further action
#36069 opened Sep 2, 2020 by saleepeppe
2 of 3 tasks
2 😕 1
BUG: pd.eval handles operator not as operator ~ Bug expressions pd.eval, query
#11367 opened Oct 19, 2015 by kawochen
1
BUG? Consistency of column parsing API - Consistency Internal Consistency of API/Behavior Bug IO CSV read_csv, to_csv IO Excel read_excel, to_excel
#11357 opened Oct 17, 2015 by chris-b1
1
ENH: add axis argument to .drop_duplicates and .duplicated duplicated duplicated, drop_duplicates Enhancement
#11250 opened Oct 6, 2015 by 121onto
15
Wrong string comparison in df.eval Bug expressions pd.eval, query
#11044 opened Sep 10, 2015 by jesrael
@cpcloud
3
DOC: document optional arguments on plot submethods Docs good first issue Visualization plotting
#11042 opened Sep 10, 2015 by shoyer
1
2
ENH: min_weight in addition to min_periods for ewma Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate Window rolling, ewma, expanding
#11167 opened Sep 22, 2015 by max-sixty
1
5
CLN/API: implemented to_html in terms of .style API Design Clean IO HTML read_html, to_html, Styler.apply, Styler.applymap Output-Formatting __repr__ of pandas objects, to_string Styler conditional formatting using DataFrame.style
#11700 opened Nov 25, 2015 by jreback
1
17
to_clipboard wrong linebreaks on Windows Bug Windows Windows OS
#11720 opened Nov 30, 2015 by Winand
2
15
By-keyword, Inconcistencies between the new df.plot.hist and its df counterpart API - Consistency Internal Consistency of API/Behavior Enhancement Visualization plotting
#11483 opened Oct 30, 2015 by Twizzledrizzle
4
BUG: index attributes don't respect the width & need wrapping Bug Output-Formatting __repr__ of pandas objects, to_string
#11552 opened Nov 8, 2015 by jreback
read_csv silently passes through rows with too many columns when chunking Bug IO CSV read_csv, to_csv
#11569 opened Nov 10, 2015 by scottriding
1
Params not properly supported for pymssql Enhancement IO SQL to_sql, read_sql, read_sql_query
#11683 opened Nov 23, 2015 by litchfield
2
ENH: add option to HDFStore.put/append to optionally store the index of the object (default for back compat is True) Enhancement IO HDF5 read_hdf, HDFStore
#8319 opened Sep 19, 2014 by jreback
1
DEPR: QuarterBegin and BQuarterBegin return days that are not quarter beginnings Deprecate Functionality to remove in pandas Frequency DateOffsets
#8435 opened Oct 1, 2014 by nimishgautam
1
24
API: object oriented interface for SQL functionality Enhancement IO SQL to_sql, read_sql, read_sql_query
#7960 opened Aug 8, 2014 by jorisvandenbossche
16
MultiIndex reindex should behave like Index. Enhancement Indexing Related to indexing on series/frames, not to indexes themselves MultiIndex
#7895 opened Aug 1, 2014 by rockg
7
ENH: DataFrame.from_dict doesn't work with collections.UserDict objects Constructors Series/DataFrame/Index/pd.array Constructors Enhancement IO Data IO issues that don't fit into a more specific label Needs Discussion Requires discussion from core team before further action
#59737 opened Sep 6, 2024 by mesvam
2 of 3 tasks
6
get start and end of regex match in dataframe Enhancement Indexing Related to indexing on series/frames, not to indexes themselves Strings String extension data type and string data
#8747 opened Nov 6, 2014 by teese
9
ProTip! Updated in the last three days: updated:>2025-03-06.