1. 编辑 /etc/apt/sources.list
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup
sudo gedit sources.list
添加 deb http://cran.case.edu/bin/linux/ubuntu natty/

注：或其他mirror地址，见http://cran.r-project.org/mirrors.html

2. sudo apt-get update

sudo apt-get install r-base
即可安装R基础包

3. 终端键入R，进入R

.libPaths()：查看包的安装目录
library()：查看已经安装的包目录 -- Packages in library '/usr/lib/R/library'
install.packages() ：安装包
library(mypackage)：载入mypackage包
help(package = 'mypackage')：查看‘mypackage’的帮助

参见：http://cran.r-project.org/bin/linux/ubuntu/README.html

4. R的使用命令