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Dear all,
I've been trying to run F.Harrell's program,
"validate.lrm", but got the following error message:
Error in fastbw(fit.orig, rule = rule, type = type, sls = sls, ai..: fit
does not have design information
I've checked all syntax and seems to be ok.
The commands are straight forward so I can't really see what went wrong.
Can anyone kindly advise, please?
The commands used are as follows:
> f <- lrm(y ~ x1 + x2 + x3,
data = "" x = T, y = T)
> validate.lrm(f, B=80, bw=T, rule="p",
sls=.1, type="individual")
Regards.
Ly-Mee
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