LDA(线性判别分析)&PCA(主成份分析)

LDA(线性判别分析)&PCA(主成分分析)

推荐解释得非常好的两篇博文

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http://blog.csdn.net/warmyellow/article/details/5454943

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http://www.cnblogs.com/jerrylead/archive/2011/04/18/2020209.html