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freefun
2011 Jun 20
2
Error of Cross Validation
Dear R users:
Recently, I tried to write a program to calculate cross-validated predicted
value.
My sources are as follows. However, the R reported an error.
Could you please check the sources? Thanks.
set.seed(100)
x<-rnorm(100)
y<-sample(rep(0:1,50),replace=T)
dat<-data.frame(x,y)
library(rms)
fito<-lrm(y~x)
preo<-predict(fito)
pre<-matrix(NA,nrow=100,ncol=200)
for (i in