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Issues: pandas-dev/pandas
FEEDBACK: PyArrow as a required dependency and PyArrow backed...
#54466
opened Aug 9, 2023 by
phofl
Open
148
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BUG: assignment fails with copy_on_write = True
Indexing
Related to indexing on series/frames, not to indexes themselves
Regression
Functionality that used to work in a prior pandas version
DOC: v2.2 offline documentation search button not work
Docs
#60308
opened Nov 14, 2024 by
jack6th
1 task done
BUG: spearman correlation doesn't work on non-numeric data
Bug
cov/corr
#60306
opened Nov 13, 2024 by
Desiment
1 task done
API: how to check for "logical" equality of dtypes?
API Design
#60305
opened Nov 13, 2024 by
jorisvandenbossche
BUG: inconsistent treatment of overflows between groupby.sum() and groupby.apply(lambda: _grp: _grp.sum()) and DataFrame.resample
Bug
Groupby
Reduction Operations
sum, mean, min, max, etc.
#60303
opened Nov 13, 2024 by
vasil-pashov
2 of 3 tasks
API: return value of String extension data type and string data
.values
for Series with the future string dtype (numpy array vs extension array)
API Design
Strings
ENH: Unique key detection function
Closing Candidate
May be closeable, needs more eyeballs
Enhancement
#60298
opened Nov 13, 2024 by
simonaubertbd
1 of 3 tasks
BUG: single column DataFrame df.apply(f, raw=True, engine='numba') failed when f is a non-reduction function
Apply
Apply, Aggregate, Transform, Map
Bug
Needs Discussion
Requires discussion from core team before further action
numba
numba-accelerated operations
#60297
opened Nov 13, 2024 by
auderson
3 tasks done
Change default string storage from "python" to "pyarrow" (if installed) for for NA-variant of StringDtype
API Design
NA - MaskedArrays
Related to pd.NA and nullable extension arrays
Strings
String extension data type and string data
BUG?: using Internal Consistency of API/Behavior
Bug
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
replace
replace method
None
as replacement value in replace()
typically upcasts to object dtype
API - Consistency
#60284
opened Nov 12, 2024 by
jorisvandenbossche
ENH: use '=' width in multirow with compatible column types
Enhancement
IO LaTeX
to_latex
Needs Info
Clarification about behavior needed to assess issue
#60281
opened Nov 11, 2024 by
tuetenk0pp
2 of 3 tasks
BUG: period[h] + column splicing is not work
Bug
Indexing
Related to indexing on series/frames, not to indexes themselves
Period
Period data type
#60273
opened Nov 10, 2024 by
oxygenbilly
3 tasks done
REF: Replace maybe_infer_to_datimelike with maybe_convert_objects
Clean
#60258
opened Nov 8, 2024 by
WillAyd
BUG: Challenges with Nested Metadata Extraction Using pandas.json_normalize(
Bug
IO JSON
read_json, to_json, json_normalize
Needs Info
Clarification about behavior needed to assess issue
#60254
opened Nov 8, 2024 by
DavidNaizheZhou
3 tasks done
BUG: pyarrow functionality
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
good first issue
Localization
Internationalization of data
.convert_dtypes(dtype_backend="pyarrow")
strips timezone from tz-aware pyarrow timestamp Series
Arrow
#60237
opened Nov 8, 2024 by
jamesdow21
3 tasks done
BUG: .duplicated() ignoring duplicates for MultiIndex
Bug
Closing Candidate
May be closeable, needs more eyeballs
MultiIndex
#60236
opened Nov 8, 2024 by
mmatous
3 tasks done
BUG (string dtype): logical operation with bool and string failing
Bug
Numeric Operations
Arithmetic, Comparison, and Logical operations
Strings
String extension data type and string data
BUG/API: sum of a string column with all-NaN or empty
Bug
Groupby
Strings
String extension data type and string data
BUG (string dtype): comparison of string column to mixed object column fails
Bug
Strings
String extension data type and string data
ERR: consistent error messages for unsupported setitem values
API - Consistency
Internal Consistency of API/Behavior
Error Reporting
Incorrect or improved errors from pandas
Indexing
Related to indexing on series/frames, not to indexes themselves
#60218
opened Nov 6, 2024 by
jorisvandenbossche
PERF: index.unique much slower than get_level_values.drop_duplicates
Algos
Non-arithmetic algos: value_counts, factorize, sorting, isin, clip, shift, diff
Closing Candidate
May be closeable, needs more eyeballs
Performance
Memory or execution speed performance
#60213
opened Nov 6, 2024 by
jacek-pliszka
2 of 3 tasks
BUG: rowspan in read_html failed
Bug
IO HTML
read_html, to_html, Styler.apply, Styler.applymap
#60210
opened Nov 6, 2024 by
duongkstn
2 of 3 tasks
TST: test_on_offset_implementations failing on WASM on CI
Testing
pandas testing functions or related to the test suite
Timezones
Timezone data dtype
#60205
opened Nov 6, 2024 by
mroeschke
BUG: Incorrect logical operation between pandas dataframe and series
Bug
Needs Triage
Issue that has not been reviewed by a pandas team member
#60204
opened Nov 5, 2024 by
jialuoo
3 tasks done
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Updated in the last three days: updated:>2024-11-11.