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Issues list

API: distinguish NA vs NaN in floating dtypes API Design Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate NA - MaskedArrays Related to pd.NA and nullable extension arrays PDEP missing values Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
#32265 opened Feb 26, 2020 by jorisvandenbossche
121
API: capabilities of df.set_index Enhancement
#24046 opened Dec 2, 2018 by h-vetinari
2 of 7 tasks
1
80
weighted mean Enhancement Reduction Operations sum, mean, min, max, etc. Window rolling, ewma, expanding
#10030 opened Apr 30, 2015 by bgrayburn
2
54
DatetimeIndex::inferred_freq is misleading Enhancement Frequency DateOffsets
#5082 opened Oct 2, 2013 by cancan101
1
53
ENH: Add set of tests to type check the public APIs CI Continuous Integration Enhancement Testing pandas testing functions or related to the test suite Typing type annotations, mypy/pyright type checking
#45252 opened Jan 7, 2022 by Dr-Irv
1
49
API/ENH: overhaul/unify/improve .unique API Design Enhancement Needs Discussion Requires discussion from core team before further action
#22824 opened Sep 24, 2018 by h-vetinari
6 tasks
45
ENH: Add decimal parameter to to_numeric Enhancement Numeric Operations Arithmetic, Comparison, and Logical operations
#4674 opened Aug 26, 2013 by cancan101
1
@AlexHodgson
42
ENH: cumcount() for DataFrames and Series Enhancement Numeric Operations Arithmetic, Comparison, and Logical operations
#12648 opened Mar 16, 2016 by johne13
39
ER: compound dtypes - DataFrame constructor/astype Constructors Series/DataFrame/Index/pd.array Constructors Dtype Conversions Unexpected or buggy dtype conversions Enhancement
#4464 opened Aug 5, 2013 by mamikonyan
38
API: Interpolate at new values Enhancement Missing-data np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#9340 opened Jan 22, 2015 by rubennj
38
QST: "Dummy" is rooted in ableist language API Design Enhancement Needs Discussion Requires discussion from core team before further action
#35724 opened Aug 14, 2020 by RollingStar
2 tasks done
36
Recommended way to check for sparse data (DataFrame or Series) Enhancement Needs Discussion Requires discussion from core team before further action Sparse Sparse Data Type
#26706 opened Jun 7, 2019 by jorisvandenbossche
2
@avinashpancham
35
ENH: DataFrame.to_sql with if_exists='replace' should do truncate table instead of drop table Enhancement IO SQL to_sql, read_sql, read_sql_query Needs Discussion Requires discussion from core team before further action
#37210 opened Oct 17, 2020 by tokorhon
4
34
ENH: timezone-aware Period Enhancement Needs Discussion Requires discussion from core team before further action Period Period data type Timezones Timezone data dtype
#45736 opened Jan 31, 2022 by rwijtvliet
30
TypeError: unhashable type: 'dict' when using apply/transform? Apply Apply, Aggregate, Transform, Map Enhancement Error Reporting Incorrect or improved errors from pandas Groupby
#17309 opened Aug 22, 2017 by randomgambit
29
ENH: Method for selecting columns from DataFrameGroupBy (and maybe DataFrame) API Design Enhancement Groupby Indexing Related to indexing on series/frames, not to indexes themselves
#40322 opened Mar 9, 2021 by mwaskom
29
API: Standardize usage of underscores in multi-word kwargs API - Consistency Internal Consistency of API/Behavior Enhancement IO CSV read_csv, to_csv Needs Discussion Requires discussion from core team before further action
#22639 opened Sep 8, 2018 by palewire
28
Status of io.sql.get_schema as public function? Enhancement IO SQL to_sql, read_sql, read_sql_query Needs Discussion Requires discussion from core team before further action
#9960 opened Apr 21, 2015 by jorisvandenbossche
25
ENH: Pluggable SQL performance API Design Enhancement IO SQL to_sql, read_sql, read_sql_query Performance Memory or execution speed performance
#36893 opened Oct 5, 2020 by xhochy
@yehoshuadimarsky
25
ENH: re-implement DataFrame.lookup. Enhancement Needs Discussion Requires discussion from core team before further action Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#40140 opened Mar 1, 2021 by erfannariman 3.0
@lohraspco
25
Suggestion: changing default float_format in DataFrame.to_csv() Enhancement IO CSV read_csv, to_csv
#16452 opened May 23, 2017 by Peque
24
JSON table orient not roundtripping extension types Enhancement ExtensionArray Extending pandas with custom dtypes or arrays. IO JSON read_json, to_json, json_normalize
#32037 opened Feb 16, 2020 by navado
23
Please add force_suffixes to pandas.merge() Enhancement Reshaping Concat, Merge/Join, Stack/Unstack, Explode
#17834 opened Oct 10, 2017 by sorenwacker
23
ENH: allow column oriented table storage in HDFStore Enhancement IO HDF5 read_hdf, HDFStore
#4454 opened Aug 2, 2013 by jreback
22
ENH/DOC/CLN: Document arguments and reconcile C and Python engines for read_csv API - Consistency Internal Consistency of API/Behavior Docs Enhancement IO CSV read_csv, to_csv
#12686 opened Mar 22, 2016 by kawochen
17 of 22 tasks
22
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