Pkg/polars/LazyGroupBy

LazyGroupBy

struct LazyGroupBy

Group by and aggregate.

Methods

agg

pub fn agg(self, aggs: [Expr]): LazyFrame

Group by and aggregate.

Group by and aggregate.

head

pub fn head(self, n: int): LazyFrame

Return first n rows of each group

Return first n rows of each group

tail

pub fn tail(self, n: int): LazyFrame

Return last n rows of each group

Return last n rows of each group