1) Install R language to your RHEL6 x86_64 platform

1@@@@ download R language from the website
   http://mirrors.ustc.edu.cn/CRAN/
   http://www.r-project.org/
[root@station78 R语言]# ll
total 32116
-rw-r--r--. 1 root root     1055 May 23 17:57 CAPABILITIES
-rw-r--r--. 1 root root   104394 May 23 17:56 libRmath-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root   151494 May 23 17:56 libRmath-devel-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root     4091 May 23 17:56 md5sums
-rw-r--r--. 1 root root    14688 May 23 17:54 R-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root 32495231 May 23 17:57 R-core-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root    88663 May 23 17:54 R-devel-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root      262 May 23 17:56 ReadMe
drwxr-xr-x. 2 root root     4096 May 23 18:03 repodata
[root@station78 R语言]# ll *.rpm
-rw-r--r--. 1 root root   104394 May 23 17:56 libRmath-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root   151494 May 23 17:56 libRmath-devel-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root    14688 May 23 17:54 R-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root 32495231 May 23 17:57 R-core-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root    88663 May 23 17:54 R-devel-2.10.0-2.el5.x86_64.rpm
2@@@@ install
This is a shell script for install, note the R-core-[version]
need force install without dependency.
   #!/bin/sh
   #preinstall for R lanaguage here
   #yum -y install tetex.*
   yum -y install "*late*"
   yum -y install tcl*
   yum -y install pcre*
   yum -y install tk*
   rpm -ivh  libRmath-2.10.0-2.el5.x86_64.rpm
   rpm -ivh  libRmath-devel-2.10.0-2.el5.x86_64.rpm
   rpm -ivh --force --nodeps  R-core-2.10.0-2.el5.x86_64.rpm
   rpm -ivh  R-2.10.0-2.el5.x86_64.rpm
   rpm -ivh  R-devel-2.10.0-2.el5.x86_64.rpm
3@@@@ after installation, you could login by the command R , like below
[root@station78 ~]# R
R version 2.10.0 (2009-10-26)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
 Natural language support but running in an English locale
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
>
2) Install R language to RHEL5 x86_64
1@@@@ download R language from the website
   http://mirrors.ustc.edu.cn/CRAN/
   http://www.r-project.org/
 Note: Here is the same to RHEL6, generally, RHEL5 and RHEL6 use the same version
       rpm packages for installing R language here.    
[root@station78 R语言]# ll
total 32116
-rw-r--r--. 1 root root     1055 May 23 17:57 CAPABILITIES
-rw-r--r--. 1 root root   104394 May 23 17:56 libRmath-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root   151494 May 23 17:56 libRmath-devel-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root     4091 May 23 17:56 md5sums
-rw-r--r--. 1 root root    14688 May 23 17:54 R-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root 32495231 May 23 17:57 R-core-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root    88663 May 23 17:54 R-devel-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root      262 May 23 17:56 ReadMe
drwxr-xr-x. 2 root root     4096 May 23 18:03 repodata
[root@station78 R语言]# ll *.rpm
-rw-r--r--. 1 root root   104394 May 23 17:56 libRmath-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root   151494 May 23 17:56 libRmath-devel-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root    14688 May 23 17:54 R-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root 32495231 May 23 17:57 R-core-2.10.0-2.el5.x86_64.rpm
-rw-r--r--. 1 root root    88663 May 23 17:54 R-devel-2.10.0-2.el5.x86_64.rpm
2@@@@ install
This is a shell script for install, note the R-core-[version]
need force install without dependency. Here the package tetex in RHEL5
is equal to "*late*" in RHEL6
   #!/bin/sh
   #preinstall for R lanaguage here
   yum -y install tetex.*
   #yum -y install "*late*"
   yum -y install tcl*
   yum -y install pcre*
   yum -y install tk*
   rpm -ivh  libRmath-2.10.0-2.el5.x86_64.rpm
   rpm -ivh  libRmath-devel-2.10.0-2.el5.x86_64.rpm
   rpm -ivh --force --nodeps  R-core-2.10.0-2.el5.x86_64.rpm
   rpm -ivh  R-2.10.0-2.el5.x86_64.rpm
   rpm -ivh  R-devel-2.10.0-2.el5.x86_64.rpm
3@@@@ after installation like below
[root@station252 R]# R
R version 2.10.0 (2009-10-26)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.
 Natural language support but running in an English locale
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
>