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Partial Least Squares VIP coefficients in JMP pro

irinastl

Occasional Contributor

Joined:

May 9, 2017

Hello,

I am struggling to understand the difference between NIPALS and SIMPLS, and why those two give me such a low VIP coefficients for my Y with same set of Xs (I have 1000 of them). I have 3 levels within X: I expected different correlation coefficients for all 3, but they are very closed to each other. Am I using PLS correctly?