
S3E03: Principal Components Analysis is your PAL
Quantitude
Principal Component's Analysis Is Your Pal
Principal components analysis is a technique for taking massive amounts of infor ation and shrinking it down to a manageable number of dimensions. Principal component's goal isn't trying to get at some underlying true number of dimensions as we care about in factor analysis. The rest of the world outside the social sciences says, all i want to do is take all this information and boil it down. principal componen's analysis is your pal for doing that.
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