Table 3.

Statistical data generated by atom based (A.B.) and field based (F.B.) models.

P.F.	R2		R2 CV		Q2		SD		RMSE		Stability		P-r		F
	A.B.	F.B.	A.B.	F.B.	A.B.	F.B.	A.B.	F.B.	A.B.	F.B.	A.B.	F.B.	A.B.	F.B.	A.B.	F.B.
1	0.80	0.63	0.59	0.40	0.41	0.72	0.59	0.55	1.06	0.65	0.89	0.91	0.67	0.88	81.90	41.30
2	0.95	0.86	0.57	0.54	0.45	0.61	0.57	0.56	1.02	0.77	0.63	0.77	0.75	0.82	195.20	71.20
3	0.98	0.94	0.59	0.61	0.50	0.69	0.59	0.31	0.97	0.69	0.63	0.72	0.80	0.87	251.20	124.50
4	0.99	0.98	0.62	0.64	0.52	0.71	0.62	0.19	0.96	0.66	0.65	0.70	0.82	0.86	299.80	271.90

P.F.: PLS factor; A.B.: Atom based; F.B.: Field based