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[DOC]: Improve drop docs #36300

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[DOC]: Improve drop docs #36300

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dcb50b7
Improve doc for df.drop()
phofl Sep 12, 2020
75a45c1
Improve docstring for isin
phofl Sep 12, 2020
a935c9c
Add recommendations
phofl Sep 13, 2020
b9972e5
Add docs from other pr
phofl Sep 23, 2020
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7 changes: 5 additions & 2 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4092,8 +4092,11 @@ def drop(

Remove rows or columns by specifying label names and corresponding
axis, or by specifying directly index or column names. When using a
multi-index, labels on different levels can be removed by specifying
the level.
MultiIndex, labels on different levels can be removed by specifying
the level. The now-unused levels remain in the
MultiIndex._levels attribute. In case of a MultiIndex either a level
must be defined or the labels must be a list of tuples of the same
length as the number of levels in the MultiIndex.

Parameters
----------
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4 changes: 3 additions & 1 deletion pandas/core/indexes/base.py
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Expand Up @@ -4902,7 +4902,9 @@ def isin(self, values, level=None):

Compute boolean array of whether each index value is found in the
passed set of values. The length of the returned boolean array matches
the length of the index.
the length of the index. If the index is a multi-index and no level is
given, the values must be given as list containing tuples of the same
length as the number of levels in the MultiIndex.

Parameters
----------
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