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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.

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.

idxmax : Series