Trait polars::chunked_array::object::ChunkVar[−][src]

pub trait ChunkVar<T> {
    fn var(&self) -> Option<T> { ... }
    fn std(&self) -> Option<T> { ... }
}

Expand description

Variance and standard deviation aggregation.

Provided methods

fn var(&self) -> Option<T>[src]

Compute the variance of this ChunkedArray/Series.

fn std(&self) -> Option<T>[src]

Compute the standard deviation of this ChunkedArray/Series.

Implementors

impl ChunkVar<bool> for ChunkedArray<BooleanType>[src]

impl ChunkVar<f32> for ChunkedArray<Float32Type>[src]

pub fn var(&self) -> Option<f32>[src]

pub fn std(&self) -> Option<f32>[src]

impl ChunkVar<f64> for ChunkedArray<Float64Type>[src]

pub fn var(&self) -> Option<f64>[src]

pub fn std(&self) -> Option<f64>[src]

impl ChunkVar<u32> for ChunkedArray<CategoricalType>[src]

impl ChunkVar<Series> for ChunkedArray<ListType>[src]

impl ChunkVar<String> for ChunkedArray<Utf8Type>[src]

impl<T> ChunkVar<f64> for ChunkedArray<T> where
    T: PolarsIntegerType,
    <T as ArrowPrimitiveType>::Native: PartialOrd<<T as ArrowPrimitiveType>::Native>,
    <T as ArrowPrimitiveType>::Native: Num,
    <T as ArrowPrimitiveType>::Native: NumCast,

[src]

pub fn var(&self) -> Option<f64>[src]

pub fn std(&self) -> Option<f64>[src]

impl<T> ChunkVar<Series> for ChunkedArray<ObjectType<T>>[src]