Displaying 2 results from an estimated 2 matches for "pattr".
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2011 Jan 28
1
survreg 3-way interaction
> I was wondering why survreg (in survival package) can not handle
> three-way interactions. I have an AFT .....
You have given us no data to diagnose your problem. What do you mean
by "cannot handle" -- does the package print a message "no 3 way
interactions", gives wrong answers, your laptop catches on fire when you
run it, ....?
Also, make sure you read
2002 Oct 08
2
Frailty and coxph
...n the code I can see that 'frail' is reurned if 'nfrail > 0'. And
(from 'coxpenal.fit.s'):
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if (any(sparse)) {
...
}else{
nfrail <- 0
...
}
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and
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sparse <- sapply(pattr, function(x) !is.null(x$sparse) && x$sparse)
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but here I lose track (lost patience:() of what is happening. I would like
to have the predicted frailty terms _always_ when I have a frailty term in
the model. What can I do? Or can someone explain in simple words w...