执行主成分分析(PCA)之后,我想将一个新向量投影到PCA空间上(即在PCA坐标系中找到其坐标)。
我已经使用R计算了R语言的PCA prcomp
。现在,我应该可以将向量乘以PCA旋转矩阵。该矩阵中的主要成分应该按行还是按列排列?
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