Trait ChunkVar

pub trait ChunkVar {
    // Provided methods
    fn var(&self, _ddof: u8) -> Option<f64> { ... }
    fn std(&self, _ddof: u8) -> Option<f64> { ... }
}

Variance and standard deviation aggregation.

Provided Methods

fn var(&self, _ddof: u8) -> Option<f64>

Compute the variance of this ChunkedArray/Series.

fn std(&self, _ddof: u8) -> Option<f64>

Compute the standard deviation of this ChunkedArray/Series.

Implementors

impl ChunkVar for ArrayChunked

Available on crate feature dtype-array only.

impl ChunkVar for BooleanChunked

impl ChunkVar for ListChunked

impl ChunkVar for StringChunked

impl<T> ChunkVar for ChunkedArray<T>

where T: PolarsNumericType, ChunkedArray<T>: ChunkAgg<T::Native>,

impl<T: PolarsObject> ChunkVar for ObjectChunked<T>

Available on crate feature object only.