中文说明：该代码为PCA主成分分析，可用于特征选择，选取贡献最大的前三个主成分
English Description：
The code is PCA principal component analysis, which can be used for feature selection to select the first three principal components with the largest contribution
PCA principal component analysis based on MATLAB code
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中文说明：该代码为PCA主成分分析，可用于特征选择，选取贡献最大的前三个主成分
English Description：
The code is PCA principal component analysis, which can be used for feature selection to select the first three principal components with the largest contributionpca
...\PCA.m
...\princ.m