PDAindex {PPtreeViz} | R Documentation |
PDA projection pursuit index
PDAindex(origclass,origdata,proj,weight=TRUE,lambda=0.1)
origclass |
class information vector |
origdata |
data matrix without class information |
proj |
projection matrix |
weight |
weight flag in PDA |
lambda |
lambda in PDA index |
Calculate PDA projection pursuit index value
Lee, EK., Cook, D.(2010) A projection pursuit index for large p small n data, Statistics and Computing, 20:381-392.
data(iris)
PDAindex(iris[,5],as.matrix(iris[,1:4]),lambda=0.2)