Using a PCA to prove an intrinsic point about ethnicity is as laughable as it gets. You're aware the vectors in a PCA are just linear combinations of the observed features, right? You're just staring at the same data a different way.
But of course I didn't expect any less from someone who quotes Slate Star Codex of all sources to prove a point.
But of course I didn't expect any less from someone who quotes Slate Star Codex of all sources to prove a point.