[R] installing problems about randomForest

[Liaw, Andy]

> From: Prof Brian Ripley
> 
> On Mon, 8 Aug 2005, Uwe Ligges wrote:
> 
> > Xiao Jianfeng wrote:
> >
> >> Hi all,
> >>
> >> When I tried to install package randomForest, it gave out 
> the following
> >> error message:
> >> "
> >> > install.packages("randomForest", dependencies = TRUE)
> >> trying URL
> >> 
> 'http://www.lmbe.seu.edu.cn/CRAN/src/contrib/randomForest_4.5-
> 12.tar.gz'
> >> Content type 'application/x-gzip' length 82217 bytes
> >> opened URL
> >> ==================================================
> >> downloaded 80Kb
> >>
> >> Cannot create directory "": No such file or directory
> 
> I have no idea what that is about.
> 
> >> * Installing *source* package 'randomForest' ...
> >> ** libs
> >> gcc -I/user_data2/jfxiao/local/lib/R/include
> >> -I/usr/freeware/include     -g -O2 -c classTree.c -o classTree.o
> >> gcc -I/user_data2/jfxiao/local/lib/R/include
> >> -I/usr/freeware/include     -g -O2 -c regTree.c -o regTree.o
> >> gcc -I/user_data2/jfxiao/local/lib/R/include
> >> -I/usr/freeware/include     -g -O2 -c regrf.c -o regrf.o
> >> gcc -I/user_data2/jfxiao/local/lib/R/include
> >> -I/usr/freeware/include     -g -O2 -c rf.c -o rf.o
> >> f77 -OPT:IEEE_NaN_inf=ON    -O2 -c rfsub.f -o rfsub.o
> >> "rfsub.f", line 90: error(2346): expression must have 
> logical or integer
> >> type
> >>              if (decsplit < 0.0) decsplit = 0.0
> >>                  ^
> >>
> >> "rfsub.f", line 90: error(2051): expected a ")"
> >>              if (decsplit < 0.0) decsplit = 0.0
> >>                           ^
> >>
> >> 2 errors detected in the compilation of "rfsub.f".
> >> gmake: *** [rfsub.o] Error 2
> >> ERROR: compilation failed for package 'randomForest'
> >> "
> >> Can somebody help me ?
> >
> >
> > Which OS/platform and compiler are we talking about?
> 
> >From his multitudinous recent postings, a peculiar IRIX setup.
> 
> However, that line is not valid Fortran: replace < by .LT.
> Please note the posting guide asks you to discuss problems in 
> packages 
> with the maintainer (and to state your platform and R version).

Thanks for catching that!  It must have slipped when I was going back and
forth between C and Fortran...

Update should appear on CRAN this week, I hope.

Best,
Andy

 
> 
> -- 
> 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 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
> 
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