Computes contrasts

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Description

Computes the main effect and interaction contrasts, "w" and "z", respectively.

Usage

1
compute.contrasts(x, y, type = c("Fisher", "simple"))

Arguments

x

n by p design matrix

y

binary (0 or 1) vector of length n indicating class

type

determines whether Fisher transform should be applied to interaction contrasts. Default: Fisher

Value

Returns w and z.