Trait polars_core::chunked_array::ops::ChunkRollApply
source · [−]pub trait ChunkRollApply {
fn rolling_apply(
&self,
_f: &dyn Fn(&Series) -> Series,
_options: RollingOptions
) -> Result<Series>
where
Self: Sized,
{ ... }
}
Expand description
This differs from ChunkWindowCustom and ChunkWindow
by not using a fold aggregator, but reusing a Series
wrapper and calling Series
aggregators.
This likely is a bit slower than ChunkWindow