[R] PLS regression on near infrared (NIR) spectra data
Bjørn-Helge Mevik
b.h.mevik at usit.uio.no
Wed Mar 4 12:42:13 CET 2009
Paulo Ricardo Gherardi Hein <phein1980 at gmail.com> writes:
> I am new here (since jan2009) and up to now, I not seen anyone commenting
> about principal component analysis and regression PLS to analyze spectral
> information in R system. Sorry, I am a R starter...
>
> Anybody have any package, or trick to suggest me?
There is the package 'pls', with Principal Component Regression (PCR) and
Partial Least Squares Regression (PLSR). It also contains a couple of
plots that are useful for princomp() or prcomp() analyses (PCA).
--
Bjørn-Helge Mevik
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