这次黄帝劳师动众的出访，目的无非是想找位高人，向他请教一些治国之方。
The purpose for which Yellow Empire took many attendants to visit there was nothing but to find a wise man to consult about governance.
请教各位高人，有没有比较系统地讲解主成分分析以及因子分析的基本原理以及应用方法的教程或者案例？
Principal component analysis is a multivariate technique in which a number of related variables are transformed to a set of uncorrelated variables.
请教各位高人，有没有比较系统地讲解主成分分析以及因子分析的基本原理以及应用方法的教程或者案例？
Principal component analysis is a multivariate technique in which a number of related variables are transformed to a set of uncorrelated variables.
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