pandas.Series.idxmax

Series.idxmax(axis=None, skipna=True, *args, **kwargs) [source]

Index label of the first occurrence of maximum of values.

Parameters:	skipna : boolean, default True Exclude NA/null values. If the entire Series is NA, the result will be NA.
Returns:	idxmax : Index of maximum of values
Raises:	ValueError If the Series is empty

See also

DataFrame.idxmax, numpy.ndarray.argmax

Notes

This method is the Series version of ndarray.argmax. This method returns the label of the maximum, while ndarray.argmax returns the position. To get the position, use series.values.argmax().