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Added alignable boolean series and its example to .loc docs. #35506

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Aug 2, 2020
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Added alignable boolean series and its example to .loc docs. #35506

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#31054 Added alignable boolean series and its example to `.loc` docs.
MJafarMashhadi Aug 1, 2020
6774b78
Applied comments to fix grammatical issues
MJafarMashhadi Aug 2, 2020
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11 changes: 11 additions & 0 deletions pandas/core/indexing.py
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Expand Up @@ -255,6 +255,8 @@ def loc(self) -> "_LocIndexer":
- A boolean array of the same length as the axis being sliced,
e.g. ``[True, False, True]``.
- An alignable boolean series. Index of the key will be aligned before
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series should be capitalized

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nit-pick: 'The index of the key'

masking.
- A ``callable`` function with one argument (the calling Series or
DataFrame) and that returns valid output for indexing (one of the above)
Expand All @@ -264,6 +266,8 @@ def loc(self) -> "_LocIndexer":
------
KeyError
If any items are not found.
IndexingError
If an indexed key is passed and its index is unalignable to the index.
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nit-pick: 'unalignable to the frame index'

See Also
--------
Expand Down Expand Up @@ -319,6 +323,13 @@ def loc(self) -> "_LocIndexer":
max_speed shield
sidewinder 7 8
Alignable boolean series:
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series should be capitalized

>>> df.loc[pd.Series([False, True, False],
... index=['viper', 'sidewinder', 'cobra'])]
max_speed shield
sidewinder 7 8
Conditional that returns a boolean Series
>>> df.loc[df['shield'] > 6]
Expand Down