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pandas.DataFrame.idxmax
DataFrame.idxmax(axis=0, skipna=True)
[source]-
Return index of first occurrence of maximum over requested axis. NA/null values are excluded.
Parameters: axis : {0 or ‘index’, 1 or ‘columns’}, default 0
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.
Returns: idxmax : Series
See also
Notes
This method is the DataFrame version of
ndarray.argmax
.
© 2008–2012, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
Licensed under the 3-clause BSD License.
https://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.DataFrame.idxmax.html