Table 2.

Model summary (all values to 3 sig. figs.).

Model	PCs/LVs	R 2 CV	MSE CV
PCR Orig Model	5	0.989	0.006
PLSR Orig Model	3	0.976	0.013
PCR 2nd derivative (2D) Model	3	0.980	0.010
PLSR 2nd derivative (2D) Model	3	0.985	0.008