pandas.core.groupby.GroupBy.first¶
-
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_count
non-NA values are present the result will be NA.
- Returns
- Series or DataFrame
Computed first of values within each group.