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# pandas.DataFrame.idxmax

`DataFrame.``idxmax`(axis=0, skipna=True)

  Return index of first occurrence of maximum over requested axis. NA/null values are excluded.

  Parameters : | axis : {0, 1} 0 for row-wise, 1 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

  `Series.idxmax`

  Notes

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

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