中文说明： 包括主成分分析、因子分析、贝叶斯分析，IDW距离反比加权方法，这个有中文注释，看得明白，主要是基于mtlab的程序，仿真效果非常好，调试通过可以使用。
English Description：
Include principal component analysis, factor analysis, Bayesian analysis, IDW inverse distance weighting method, the Chinese comments, understand it is mainly based on mtlab program, and its effect is very good, tested can be used.