说明：  BAS算法及工具箱介绍，介绍了如何安装R 语言的环境，来使用rBAS 包。不用担心， R 的语法很简单，各种功能是按照自身的需要安装各种packages， 所以比matlab 体积更小，入门时间成本也较低。
(BAS algorithm and toolbox are introduced. How to install the environment of R language to use rBAS package is introduced. Never mind, The grammar of R is very simple. The various functions are to install packages according to their own needs. So it is smaller than matlab, and the cost of starting time is lower)