pandas.core.groupby.DataFrameGroupBy.idxmin

property DataFrameGroupBy.idxmin

Return index of first occurrence of minimum over requested axis.

NA/null values are excluded.

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

The axis to use. 0 or ‘index’ for row-wise, 1 or ‘columns’ for column-wise.

skipnabool, default True

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

Returns
Series

Indexes of minima along the specified axis.

Raises
ValueError
  • If the row/column is empty

See also

Series.idxmin

Notes

This method is the DataFrame version of ndarray.argmin.