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by jackthetab
1123 days ago
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> The name of PCA does make it sound like you are selecting dimensions. I certainly thought that! Using somes terms from the previous comment, does this mean that the k < N subspace is not (necessarily) a subset of the N-space? Or is the subspace a subset of the data with a different coordinate system? (Yes, I'm still trying to intuitively grasp these ideas.) |
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