PCA 应用于数据矩阵降维，压缩数据！广泛应用于各种行业。 Author: F. Murtagh- Principal Components Analysis or the Karhunen-Loeve expansion is a classical method for dimensionality reduction or exploratory data analysis. One reference among many is: F. Murtagh

PCA应用于数据矩阵降维，压缩数据！广泛应用于各种行业。Author: F. Murtagh- Principal Components Analysis or the Karhunen-Loeve expansion is a classical method for dimensionality reduction or exploratory data analysis. One reference among many is: F. Murtagh and A. Heck,

主成分分析对数据进行降维的例子 主要是2维数据-pca