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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: |