中文说明：对于ARMA 入门的新手来说 还是非常不错的入门程序，希望有用，注释也很多；对于ARMA 入门的新手来说 还是非常不错的入门程序，希望有用，注释也很多；对于ARMA 入门的新手来说 还是非常不错的入门程序，希望有用，注释也很多；
English Description：
For beginners getting started with ARMA also is a very good introduction to the program, I hope useful, note many of ARMA is still very good for beginners to get started with introductory programs, I hope useful, note many of ARMA is still very good for beginners to get started with introductory programs, I hope useful, and also a lot of comments;