Subject: XploRe Application Guide
See XploRe:

Quantlet: cart08
Description: finds the final regression tree for 20% of Boston Housing Data with numbers of observations and mean values
Download: cart08.xpl

Code:
     library("xclust")
     randomize(10)
     boston=read("bostonh")
     boston=paf(boston,uniform(rows(boston))<0.20)
     yvar=boston[,14]
     xvar=boston[,1:13]
     type=matrix(13)
     type[4]=0
     type[9]=0
     opt=cartsplitopt("minsize",1,"mindev",0,"mincut",8)
     tr=cartsplit(xvar,yvar,type,opt)
     fin=prune(tr,0.9)
     plotcarttree(fin,"nelem")
     ;plotcarttree(fin,"mean")

Subject: XploRe Application Guide
See XploRe:

© MD*Tech - Method and Data Technologies, generated on 19.7.2000 .