Function polars::functions::cov[−][src]

pub fn cov<T>(
    a: &ChunkedArray<T>, 
    b: &ChunkedArray<T>
) -> Option<<T as ArrowPrimitiveType>::Native> where
    T: PolarsFloatType,
    <T as ArrowPrimitiveType>::Native: Float,
    <T as ArrowPrimitiveType>::Native: Div<<T as ArrowPrimitiveType>::Native>,
    <T as ArrowPrimitiveType>::Native: NumCast,

Expand description

Compute the covariance between two columns.