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Subject: | XploRe: Learning Guide |
See XploRe: |
Quantlet: | start06 | |
Description: | Example quantlet which reads data, and performs an interactive bandwidth selection for kernel regression. | |
Download: | start06.xpl |
proc()=interactive(x) error(cols(x)!=2,"x has more than 2 columns!") x=setmask(x,"red","cross") h=(max(x[,1])-min(x[,1]))/5 stop=0 while (stop!=1) mh=setmask(regxest(x,h),"line") plot(x,mh) hnew=readvalue("Bandwidth h (0 to stop)",h) while (hnew<0) hnew=readvalue("Bandwidth h (0 to stop)",h) endo if (hnew!=0) h=hnew else stop=1 endif endo endp library("plot") library("smoother") x=read("nicfoo") setsize(500,500) interactive(x)
Subject: | XploRe: Learning Guide |
See XploRe: |