中文说明：AR模型拟合，定阶与预测，完整m源代码。还有非常详细的描述与注释，适合需要用MATLAB进行时间序列分析的人员使用。也可以在源代码内容上进行修改，获得自己希望的结果。
English Description：
AR model fitting, order and prediction, complete M source code. There are also very detailed descriptions and notes, which are suitable for those who need to use matlab for time series analysis. You can also modify the content of the source code to get the desired results.