[R] tree error message

Uwe Ligges ligges at statistik.uni-dortmund.de
Thu Jun 15 13:29:51 CEST 2000

Fabio Valeri wrote:
> Dear R user,
> I used from the library MASS the dataset cpus and the skript
> plot.tree.sequence.R, which are included in the tree package:
> >library(MASS)
> > data(cpus)
> > cpus.ltr <- tree(log10(perf) ~ syct + mmin + mmax + cach
> >+      + chmin + chmax, data=cpus)
> At home it works but at work I get this message:
> >Error in .C("BDRgrow1", as.double(X), as.double(unclass(Y)),
> as.double(w),  : C/Fortran function name not in load table
> I do not understand this message and I would be very glad if someone
> could give me some advice.
> Since at home and at work I'm running R Version 90.1 with Win NT4  I was
> surprised to get the error message.

At first you should upgarde to R-1.1.0 (which is released today).
Then check if your MASS library is the latest one.

After that everything should work.

Uwe Ligges
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