中文说明：非常好用的代码，PCA主成分分析，自编加参考，非常全面。有兴趣的同学可以看一下，希望有帮助。
English Description：
Very useful code, principal component analysis PCA, the self reference, very comprehensive. Interested students can take a look at, I hope there is help.
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中文说明：非常好用的代码，PCA主成分分析，自编加参考，非常全面。有兴趣的同学可以看一下，希望有帮助。
English Description：
Very useful code, principal component analysis PCA, the self reference, very comprehensive. Interested students can take a look at, I hope there is help.