适合R语言初学者，对R有了一个概括性简介。如果R已经被安装在你的计算机中，它就能立即运行一些可执行的命令

了。R默认的命令提示符是`> ，它表示正在等待输入命令。如在Windows系

统中打开Rgui.exe，就能直接运行下拉菜单中的一些操作命令(如在线帮助，

打开文件. . . )。到这里，有些人可能会急着想知道更多的语句命令。其实，在

学习这些内容前，了解掌握一些R的基本工作原理是非常有必要的。这正是本

章所要讲的主要内容。-For R language for beginners, R With a general Introduction. If R is already installed on your computer, it will be able to immediately run the executable commands. R-default command prompt `>　' , it said it is waiting for input command. Open in the Windows system Rgui.exe will be able to directly run the drop-down menu operation command (such as online help, open the file ...). Here, some people may be eager to know more about the statement command. In fact, before learning content, learn to master some of the basic working principle of the R is very necessary. This is the main content of this chapter say.