Rapid Identification of Nine Easily Confused Mineral Traditional Chinese Medicines Using Raman Spectroscopy Based on Support Vector Machine

Table 7

Results of PCA-SVM models with a different NPC.

NPC	Parameter optimization	C		Accuracy (%)
				3-CV	Training set										Validation set
					1	2	3	4	5	6	7	8	9	Total	1	2	3	4	5	6	7	8	9	Total
8	GS	1	5.2780	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
7	GA	10.6841	6.3515	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100
6	GS	3.0314	9.1896	98.61	100	100	100	100	83.33	100	100	100	100	98.61	100	100	100	100	100	100	100	100	100	100
5	PSO	16.2224	11.7130	98.61	100	100	100	100	83.33	100	100	100	100	98.61	100	100	100	100	100	100	100	100	100	100
4	GS	256	0.1088	98.61	90	100	100	100	66.67	87.5	100	100	100	94.44	100	100	100	100	75	100	100	100	100	97.22
3	GA	37.7015	136.7847	87.50	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	100	50	94.44