pandas.core.groupby.DataFrameGroupBy.idxmax

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

param axis

{0 or ‘index’, 1 or ‘columns’}, default 0

0 or ‘index’ for row-wise, 1 or ‘columns’ for column-wise

param skipna

boolean, default True

Exclude NA/null values. If an entire row/column is NA, the result will be NA.

return

Series Indexes of maxima along the specified axis.

raises

ValueError

• If the row/column is empty

Warning

This feature is currently unsupported by Intel Scalable Dataframe Compiler