[R] tree error message

Prof Brian D Ripley ripley at stats.ox.ac.uk
Thu Jun 15 19:20:07 CEST 2000

On Thu, 15 Jun 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.

Well, tree is in package tree and I see no evidence that you have used


This is what will happy if you have a local copy of the tree function,
so don't confuse yourself by doing so.

Note that R 0.90.1 (note the number) is no longer supported on Windows: use
at least rw1001 and update your libraries to match.

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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