PCA（主成分分析）、LDA（线性判别法）两种方法…

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PCA(主成分分析法)、LDA(线性判别法) 两种方法是主要的线性降维法，有很好的效果，希望对大家能够有用！-PCA (Principal Component Analysis), LDA (Linear Discriminant method) two methods are the main linear dimensionality reduction method, have very good results, in the hope that everyone can be useful!