transform-y ( y transformer -- y' )

Vocabulary

machine-learning.transformer

Inputs

y	an object
transformer	an object

Outputs

y'

an object

Definition

IN: machine-learning.transformer

GENERIC: transform-y ( y transformer -- y' )

Methods

USING: accessors arrays kernel machine-learning.label-binarizer
machine-learning.transformer sequences sorting.extras ;

M: label-binarizer transform-y
    classes_>> dup length
    [ [ bisect-left [ 1 ] dip ] curry ] dip
    [ 0 <array> [ set-nth ] keep ] curry compose map ;


USING: accessors kernel machine-learning.label-encoder
machine-learning.transformer sequences sorting.extras ;

M: label-encoder transform-y
    classes_>> [ bisect-left ] curry map ;