GroupedData.
min
Computes the min value for each numeric column for each group.
cols – list of column names (string). Non-numeric columns are ignored.
>>> df.groupBy().min('age').collect() [Row(min(age)=2)] >>> df3.groupBy().min('age', 'height').collect() [Row(min(age)=2, min(height)=80)]
New in version 1.3.