pandas.core.groupby.GroupBy.first¶
- final GroupBy.first(numeric_only=False, min_count=- 1)[source]¶
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_countnon-NA values are present the result will be NA.
- Returns
- Series or DataFrame
Computed first of values within each group.