Issues: pandas-dev/pandas
FEEDBACK: PyArrow as a required dependency and PyArrow backed...
#54466
opened Aug 9, 2023 by
phofl
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BUG: Behaviour of sum/mean on sparse boolean arrays changed between 1.5.3 and pandas 2.2
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
ExtensionArray
Extending pandas with custom dtypes or arrays.
Reduction Operations
sum, mean, min, max, etc.
#58015
opened Mar 26, 2024 by
CompRhys
2 of 3 tasks
BUG: Implement Extending pandas with custom dtypes or arrays.
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
fillna(..., limit=x)
for EAs
Bug
ExtensionArray
ENH: Make ExtensionArray a Protocol
Enhancement
ExtensionArray
Extending pandas with custom dtypes or arrays.
#57633
opened Feb 26, 2024 by
WillAyd
1 of 3 tasks
PERF: groupby.first and groupby.last fallback to apply for EAs
ExtensionArray
Extending pandas with custom dtypes or arrays.
Groupby
Performance
Memory or execution speed performance
Reduction Operations
sum, mean, min, max, etc.
#57591
opened Feb 23, 2024 by
rhshadrach
BUG: Subtraction fails with matching index of different name and type
Bug
ExtensionArray
Extending pandas with custom dtypes or arrays.
Numeric Operations
Arithmetic, Comparison, and Logical operations
#57524
opened Feb 20, 2024 by
Bjoern-Rapp
2 of 3 tasks
TST: Fix setitem parametrizations
ExtensionArray
Extending pandas with custom dtypes or arrays.
Testing
pandas testing functions or related to the test suite
#56890
opened Jan 15, 2024 by
lopof
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3 of 4 tasks
DOC: Private-looking symbols in the public API?
Docs
ExtensionArray
Extending pandas with custom dtypes or arrays.
#56874
opened Jan 14, 2024 by
twoertwein
1 task done
ENH: add NDArrayBackedExtensionArray to public API
API Design
ExtensionArray
Extending pandas with custom dtypes or arrays.
Stale
#56755
opened Jan 6, 2024 by
andrewgsavage
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5 tasks
TST: Ensure base ExtensionArray tests do not use any fixtures in Extending pandas with custom dtypes or arrays.
Testing
pandas testing functions or related to the test suite
conftest.py
ExtensionArray
#56735
opened Jan 4, 2024 by
mroeschke
DEPR: EA._pad_or_backfill not having a limit_area argument
Deprecate
Functionality to remove in pandas
ExtensionArray
Extending pandas with custom dtypes or arrays.
Missing-data
np.nan, pd.NaT, pd.NA, dropna, isnull, interpolate
#56729
opened Jan 4, 2024 by
rhshadrach
TST: test_setitem_integer_with_missing_raises contains duplicate parametrization
Bug
ExtensionArray
Extending pandas with custom dtypes or arrays.
Testing
pandas testing functions or related to the test suite
#56727
opened Jan 4, 2024 by
mroeschke
ENH/PERF: dispatch is_monotonic_increasing / decreasing ?
ExtensionArray
Extending pandas with custom dtypes or arrays.
Needs Discussion
Requires discussion from core team before further action
Performance
Memory or execution speed performance
#56619
opened Dec 25, 2023 by
lukemanley
REF/EA-API: EA constructor without dtype specified
API Design
Constructors
Series/DataFrame/Index/pd.array Constructors
ExtensionArray
Extending pandas with custom dtypes or arrays.
#56430
opened Dec 10, 2023 by
jbrockmendel
API/DOC: Add Extending pandas with custom dtypes or arrays.
NumpyEADtype
to the public API
Docs
ExtensionArray
#55905
opened Nov 10, 2023 by
mroeschke
ENH: Move factorizing for merge to EA interface
ExtensionArray
Extending pandas with custom dtypes or arrays.
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
Stale
#54975
opened Sep 2, 2023 by
phofl
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5 tasks
DEPR: values casting dt64tz, Interval, Period
Compat
pandas objects compatability with Numpy or Python functions
Deprecate
Functionality to remove in pandas
ExtensionArray
Extending pandas with custom dtypes or arrays.
Interval
Interval data type
Period
Period data type
Timeseries
#54717
opened Aug 23, 2023 by
jbrockmendel
ExtensionArray.Round method and tests
ExtensionArray
Extending pandas with custom dtypes or arrays.
#54582
opened Aug 16, 2023 by
andrewgsavage
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4 of 5 tasks
DISC: Make all user-facing dtypes ExtensionDtype
API Design
Clean
ExtensionArray
Extending pandas with custom dtypes or arrays.
Ice Cream Agreement
Issues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint
Refactor
Internal refactoring of code
#53778
opened Jun 21, 2023 by
jbrockmendel
ENH: allow EAs to override MergeOperation._get_join_indexers
API Design
ExtensionArray
Extending pandas with custom dtypes or arrays.
Performance
Memory or execution speed performance
Reshaping
Concat, Merge/Join, Stack/Unstack, Explode
#53696
opened Jun 15, 2023 by
jbrockmendel
DOC: Extending pandas with custom dtypes or arrays.
.to_string
float_format
behavior inconsistent with documentation and different for extension types
Bug
Docs
ExtensionArray
#53675
opened Jun 14, 2023 by
zmoon
1 task done
DEPR: values_for_argsort, values_for_factorize, from_factorized
Deprecate
Functionality to remove in pandas
ExtensionArray
Extending pandas with custom dtypes or arrays.
Needs Discussion
Requires discussion from core team before further action
#53501
opened Jun 2, 2023 by
jbrockmendel
ENH: pyarrow functionality
Categorical
Categorical Data Type
Enhancement
ExtensionArray
Extending pandas with custom dtypes or arrays.
convert_dtypes
should get an option to convert Categoricals as well
Arrow
#53219
opened May 13, 2023 by
phofl
1 of 3 tasks
BUG: DataFrame.rank does not return EA types when original type was an EADtype
Bug
Dtype Conversions
Unexpected or buggy dtype conversions
ExtensionArray
Extending pandas with custom dtypes or arrays.
pyarrow dtype retention
op with pyarrow dtype -> expect pyarrow result
Reduction Operations
sum, mean, min, max, etc.
#52829
opened Apr 21, 2023 by
tinadu0806
3 tasks done
BUG: describe does not distinguish between Int64 and int64
Bug
ExtensionArray
Extending pandas with custom dtypes or arrays.
NA - MaskedArrays
Related to pd.NA and nullable extension arrays
Reduction Operations
sum, mean, min, max, etc.
#52576
opened Apr 10, 2023 by
phofl
3 tasks done
ENH: Extending EAs
ExtensionArray
Extending pandas with custom dtypes or arrays.
Needs Discussion
Requires discussion from core team before further action
#51471
opened Feb 17, 2023 by
jbrockmendel
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