[R] rpart on Alpha under OSF

Prof Brian D Ripley ripley at stats.ox.ac.uk
Thu Dec 23 20:12:51 CET 1999

On Thu, 23 Dec 1999, Albrecht Gebhardt wrote:

> On Thu, 23 Dec 1999, F.Tusell wrote:
> > Running on an Alpha machine which reports (uname -a)
> > 
> >        OSF1 bsdx01.bs.ehu.es V4.0 878 alpha
> > 
> > and using  the binary distribution  put together by  Albrecht Gebhardt
> > (in    http://cran.at.r-project.org/bin/osf/osf4.0/tar/alpha_ev5/)   
> this is a little bit outdated (0.65.0), I should make a new tar snapshot
> of 0.90.1, but I guess it wouldn't solve your segfault problem.
> Sorry but I have no time to test all parts of this binary package, I guess
> there is more then this one alpha specific bug hidden somewhere. 

Try R CMD check: that tests most things. (Actually, please try it on your
own submissions too, as the recent sgeostat and tripack both fail.)  There
is also a test suite provided in rpart.

To F. Tusell:
This is not my C code, and seems to have lots of long = int assumptions.
Try defining long to be int in rpart.h.

There is a new version of rpart on which I am working on an R port.
I have changed lots of longs to ints there.

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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