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DOC: clarify idxmax behaviour issue #18206 #18209

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merged 4 commits into from
Nov 14, 2017
Merged

DOC: clarify idxmax behaviour issue #18206 #18209

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55fd070
DOC: clarify idxmax behaviour issue #18206
Nov 10, 2017
9885d49
Add docstring for MultiIndex.fillna (fixes #18018)
Nov 10, 2017
b414798
Revert "Add docstring for MultiIndex.fillna (fixes #18018)"
Nov 13, 2017
6cc1f05
add Raises in idxmin/max docstring
Nov 13, 2017
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14 changes: 12 additions & 2 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5781,7 +5781,12 @@ def idxmin(self, axis=0, skipna=True):
0 or 'index' for row-wise, 1 or 'columns' for column-wise
skipna : boolean, default True
Exclude NA/null values. If an entire row/column is NA, the result
will be NA
will be NA.

Raises
------
ValueError
* If the row/column is empty

Returns
-------
Expand Down Expand Up @@ -5812,7 +5817,12 @@ def idxmax(self, axis=0, skipna=True):
0 or 'index' for row-wise, 1 or 'columns' for column-wise
skipna : boolean, default True
Exclude NA/null values. If an entire row/column is NA, the result
will be first index.
will be NA.

Raises
------
ValueError
* If the row/column is empty

Returns
-------
Expand Down
16 changes: 14 additions & 2 deletions pandas/core/series.py
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Expand Up @@ -1306,7 +1306,13 @@ def idxmin(self, axis=None, skipna=True, *args, **kwargs):
Parameters
----------
skipna : boolean, default True
Exclude NA/null values
Exclude NA/null values. If the entire Series is NA, the result
will be NA.

Raises
------
ValueError
* If the Series is empty

Returns
-------
Expand Down Expand Up @@ -1336,7 +1342,13 @@ def idxmax(self, axis=None, skipna=True, *args, **kwargs):
Parameters
----------
skipna : boolean, default True
Exclude NA/null values
Exclude NA/null values. If the entire Series is NA, the result
will be NA.

Raises
------
ValueError
* If the Series is empty

Returns
-------
Expand Down