“…This type of PLS is called PLS discriminant analysis. It is often used in hyper-spectral analysis (Olsson, Borjesson, Lundstedt, & Schnurer, 2000;Roussel, Bellon-Maurel, Roger, & Grenier, 2003;Roussel, Hardy, Hurburgh, & Rippke, 2001;Wang, Dowell, & Lacey, 1999).…”