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Implement some reductions for string Series #31757

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Implement some reductions for string Series #31757

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c87ce47
Add reduction tests
Feb 6, 2020
5365fa1
Implement a few reductions
Feb 6, 2020
460030f
Fix test
Feb 6, 2020
6497e16
Add whatsnew
Feb 6, 2020
c052feb
skipna
Feb 6, 2020
4312b4f
Hardcode expected output
Feb 11, 2020
b67cc56
Merge branch 'master' into reduce-string
Feb 11, 2020
214995f
Skip tests
Feb 12, 2020
95c83fb
Merge branch 'master' into reduce-string
Feb 13, 2020
4082ae3
No else
Feb 13, 2020
12a2323
Modify nanminmax to better handle object dtype
Feb 14, 2020
4a61b81
Delegate to min and max methods
Feb 14, 2020
c6465e5
Fixup nanops
Feb 14, 2020
5c1a5fb
Import and clean up
Feb 14, 2020
ca99650
Update tests
Feb 14, 2020
18800e1
Update whatsnew
Feb 14, 2020
3eddb73
Limit to values.ndim == 1
Feb 14, 2020
0c1a2a3
Sort index in test
Feb 14, 2020
5714c06
Box in Series
Feb 14, 2020
5e01c3f
Add Series min / max test
Feb 14, 2020
0e4a4e2
Merge branch 'master' into reduce-string
Feb 14, 2020
ed01138
Move tests
Feb 14, 2020
1128950
Pass in mask and patch _maybe_get_mask
Feb 15, 2020
7c0f05d
Update whatsnew
Feb 15, 2020
d84f5bd
Merge branch 'master' into reduce-string
Feb 15, 2020
7db2052
Try to make mypy happy
Feb 15, 2020
e19bbe1
Update doc/source/whatsnew/v1.0.2.rst
dsaxton Feb 15, 2020
df99b4f
Add comment
Feb 15, 2020
ba20705
Merge branch 'master' into reduce-string
Feb 15, 2020
d69b587
Merge remote-tracking branch 'upstream/master' into reduce-string
dsaxton Feb 25, 2020
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Daniel Saxton authored and Daniel Saxton committed Feb 13, 2020
commit 4082ae3969de8e9c09e606b965fa2b172a573b5a
4 changes: 2 additions & 2 deletions pandas/core/arrays/string_.py
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Original file line number Diff line number Diff line change
Expand Up @@ -282,8 +282,8 @@ def _reduce(self, name, skipna=True, **kwargs):
return getattr(self[~na_mask], name)(skipna=False, **kwargs)
else:
return libmissing.NA
else:
raise TypeError(f"Cannot perform reduction '{name}' with string dtype")

raise TypeError(f"Cannot perform reduction '{name}' with string dtype")

def value_counts(self, dropna=False):
from pandas import value_counts
Expand Down