Table 1.

Statistical parameters from full-cross validation of all the chemometric models for ternary and quaternary mixtures in the range of 210–320 nm, data interval of 1 nm.

Model	Analyte	PCs	RMSECV	RE (%)	r2	Slope	Offset
PCR	PAR	3	0.1842	1.17	0.9998	0.9988	0.0012
	ASC	3	0.1953	6.43	0.9971	0.9752	0.0313
	CHL	4	0.3488	56.30	0.7416	0.6458	0.0700
	PAR	4	0.0733	0.7987	0.9999	0.9999	−0.0031
	CAF	4	0.1036	9.7120	0.9933	0.9623	0.0201
	CHL	5	0.1602	32.1449	0.9207	0.8437	0.0371
	PHE	5	0.2733	54.8336	0.7490	0.6105	0.0974
PLS1	PAR	3	0.4823	3.08	0.9988	1.0086	−0.1246
	ASC	3	0.2233	7.36	0.9961	0.9802	0.0391
	CHL	4	0.0551	13.32	0.9853	0.9939	−0.0035
	PAR	4	0.0733	0.7980	0.9999	0.9980	0.0169
	CAF	4	0.1078	10.1029	0.9927	0.9612	0.0224
	CHL	5	0.1621	26.5193	0.9187	0.8467	0.0371
	PHE	5	0.1130	25.7415	0.9173	0.7854	0.0453
PLS2	PAR	3	0.7184	4.5819	0.9971	0.9877	0.1237
	ASC	3	0.4330	14.2579	0.9857	0.9330	0.1174
	CHL	4	0.4506	72.7338	0.6012	0.5966	0.0961
	PAR	4	0.0738	0.8039	0.9999	1.0000	−0.0033
	CAF	4	0.1078	10.1029	0.9927	0.9612	0.0224
	CHL	5	0.1671	33.5223	0.9135	0.8264	0.0398
	PHE	5	0.1694	33.9903	0.9125	0.8792	0.0452