Table 3.

Results of discriminant models using optimal wavelengths of sample set 1 and 2.

		2nd Derivative Spectra			PCA Loadings
		par	cal	pre	par	cal	pre
Sample set 1	PLS-DA	6	93.75	80.00	6	96.25	82.50
	SVM	(1.7411, 0.1895)	95.00	82.50	(48.5029,0.3299)	97.50	80.00
	RBFNN	28	100	97.50	11	100	97.50
Sample set 2	PLS-DA	7	95.00	95.00	9	98.70	92.50
	SVM	(3.0314,5.2780)	97.50	82.50	(5.2780,3.0314)	98.75	87.50
	RBFNN	31	100	92.50	16	100	95.00