[R] installing problems about randomForest

[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).


-- 
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