中文说明：
非常好的偏最小二乘分析的程序，包含了典型相关分析、主成分分析和多元线性回归。可以根据具体的需要更改代码变成非线性回归，建立多个自变量和多个因变量之间的关系应用很广。包含计算程序和画图表示结果的程序两个m文件。
English Description：
Very good partial least squares analysis procedures, including canonical correlation analysis, principal component analysis and multiple linear regression. The code can be changed into nonlinear regression according to specific needs, and the relationship between multiple independent variables and multiple dependent variables can be established, which is widely used. It contains two m files: calculation program and drawing program