PDAindex {PPtreeViz}

PDA PPindex

Description

PDA projection pursuit index

Usage

PDAindex(origclass,origdata,proj,weight=TRUE,lambda=0.1)

Arguments

origclass

class information vector

origdata

data matrix without class information

proj

projection matrix

weight

weight flag in PDA

lambda

lambda in PDA index

Details

Calculate PDA projection pursuit index value

References

Lee, EK., Cook, D.(2010) A projection pursuit index for large p small n data, Statistics and Computing, 20:381-392.

Examples

data(iris)
PDAindex(iris[,5],as.matrix(iris[,1:4]),lambda=0.2)