cov-ddof ( x-seq y-seq ddof -- cov ) - Factor Documentation

cov-ddof ( x-seq y-seq ddof -- cov )

Vocabulary
math.statistics

Inputs

x-seq	an object
y-seq	an object
ddof	an object

Outputs

cov

See also
population-cov, sample-cov

Definition

USING: kernel math.vectors ;

IN: math.statistics

: cov-ddof ( x-seq y-seq ddof -- cov )
[ [ demean ] bi@ v* ] dip mean-ddof ;