[R] installing problems about randomForest

From: Xiao Jianfeng <fdu.xiaojf_at_gamil.com>
Date: Mon 08 Aug 2005 - 18:56:59 EST

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 ?

Thanks in advance.

Xiao Jianfeng

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