pandas.core.groupby.GroupBy.first

GroupBy.first(self, numeric_only: bool = False, min_count: int = -1)

Compute first of group values.

Parameters

numeric_onlybool, default False

Include only float, int, boolean columns. If None, will attempt to use everything, then use only numeric data.

min_countint, default -1

The required number of valid values to perform the operation. If fewer than min_count non-NA values are present the result will be NA.

Returns

Series or DataFrame

Computed first of values within each group.

pandas.core.groupby.GroupBy.ffill pandas.core.groupby.GroupBy.head