[R] installing problems about randomForest

[Xiao Jianfeng]

Prof Brian Ripley wrote:

>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.
>  
>
  In my .cshrc, I set "R_LIBS" like this:
  ' setenv R_LIBS="$HOME/local/lib/R/library" ', is it OK?

>  
>
>>>* 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?
>>    
>>
   SGI IRIX 6.5, gcc 3.3, and f77 shiped with IRIX

>
>>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, I will try to contact the maintainer.