Lrindex {PPtreeViz} | R Documentation |
Lr projection pursuit index
Lrindex(origclass,origdata,proj,weight=TRUE,r=1)
origclass |
class information vector |
origdata |
data matrix without class information |
proj |
projection matrix |
weight |
weight flag in Lr index |
r |
r in Lr index |
Calculate Lr projection pursuit index value
Lee, EK., Cook, D., Klinke, S., and Lumley, T.(2005) Projection Pursuit for exploratory supervised classification, Journal of Computational and Graphical statistics, 14(4):831-846.
data(iris)
Lrindex(iris[,5],as.matrix(iris[,1:4]),r=1)