[R] installing problems about randomForest

[Uwe Ligges]

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
> * 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?

Uwe Ligges



> Thanks in advance.
> 
> Xiao Jianfeng
> 
> 
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