r-stats ( xy-pairs -- x-mean y-mean x-seq y-seq x-std y-std )

Vocabulary

math.statistics.private

Inputs

xy-pairs

an object

Outputs

x-mean	an object
y-mean	an object
x-seq	an object
y-seq	an object
x-std	an object
y-std	an object

Definition

USING: kernel math.statistics sequences ;

IN: math.statistics.private

: r-stats
    ( xy-pairs -- x-mean y-mean x-seq y-seq x-std y-std )
    first2 [ [ [ mean ] bi@ ] 2keep ] 2keep
    [ population-std ] bi@ ;