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# pandas.Series.idxmax

`Series.``idxmax`(axis=None, out=None, skipna=True)

  Index of first occurrence of maximum of values.

  Parameters : | skipna : boolean, default True Exclude NA/null values
  Returns : | idxmax : Index of maximum of values

  See also

  `DataFrame.idxmax`

  Notes

  This method is the Series version of `ndarray.argmax`.

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