scalefun {BioMark}

Different forms of scaling

Description

Function providing different forms of scaling in disciminant analysis - the resulting data matrix is mean-centered after the scaling. Modelled after functions in the st package.

Usage

scalefun(sc.p = c("none", "log", "sqrt", "pareto", "auto"))

Arguments

sc.p

Type of scaling. A pass-through option, performing only mean-centering, is provided by argument "none".

Value

A matrix. The function performs the required scaling, and mean-centers the result.

Author(s)

Ron Wehrens

Examples

X <- gen.data(5, nvar = 9, nsimul = 1)
FUN <- scalefun(sc.p = "pareto")
FUN(X$X[,,1])