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0 pointsMontyCarloHall5mo ago0 comments

They both fit Gaussians, just different ones! OLS fits a 1D Gaussian to the set of errors in the y coordinates only, whereas TLS (PCA) fits a 2D Gaussian to the set of all (x,y) pairs.

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ryang27185mo ago

Well, that was a knowledge gap, thank you! I certainly need to review PCA but python makes it a bit too easy.

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