On Sat, 22 Apr 2000, Vittorio Addona wrote:
> Hello,
> I have been trying to use the censored bootstrap function
'censboot'
> from the library boot, with the function 'survfit' from the library
> survival5. My code is:
>
> surv.fun <-function(data) {
> sur<-survfit(Surv(data[,1],data[,2]), data=data)
> }
> c.boot<-censboot(m,surv.fun,R=99)
>
> m is my data set
>
> I get the error message:
> Error in
eval(attr(formula,"variables"),data,sys.frame(sys.parent( ))):
> sys.frame: not that many enclosing functions
>
> Does anyone know what this means, or what I'm doing wrong? Thank you
> very much.
It is probably a problem with the R port. If you can send me a reproducible
example, I can take a look, but not otherwise. All the supplied examples
work.
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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