pub trait ChunkVar {
// Provided methods
fn var(&self, _ddof: u8) -> Option<f64> { ... }
fn std(&self, _ddof: u8) -> Option<f64> { ... }
}
Expand description
Variance and standard deviation aggregation.
Provided Methods§
Implementors§
impl ChunkVar for BooleanChunked
impl ChunkVar for ListChunked
impl ChunkVar for StringChunked
impl<T> ChunkVar for ChunkedArray<T>
impl<T: PolarsObject> ChunkVar for ObjectChunked<T>
Available on crate feature
object
only.