Thomas Möckel <thomas.moc...@nateko.lu.se> writes: > I have a question about understanding PLS. If I use the predict function of R > than it seems to me the function only uses the last latent variable to model > new Y values. But should the function not use all latent variables to model > new Y´s?
It should, and it definitely does. The _effect_ of each latent variable can vary a lot, though, but even then, the first ones usually have the greatest effect. Again, since you don't show what you did, it is hard to be more specific. -- B/H ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.