Rapid Identification and Quality Evaluation of Medicinal Centipedes in China Using Near-Infrared Spectroscopy Integrated with Support Vector Machine Algorithm

Table 3

Different spectral pretreatments of PCA-SVC models.

Model number	Pretreatment	NPC	C		Accuracy rate (%)
					3-fold cross-validation	Calibration set	Prediction set
SVC-1	Raw	2	524288	0.03125	54.7619	90.4762	59.0909
SVC-2	VN	2	6.71089  10^7	0.0078125	64.2857	66.6667	63.6364
SVC-3	FD	2	16	32768	59.5238	64.2857	63.6364
SVC-4	SD	2	3.35544  10^7	32768	66.6667	71.4286	68.1818