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

Table 4

The correction rates of cluster analysis based on complete spectra and intensity data extracted from original spectra and pretreated spectra (%).

Label	Complete spectra	Intensity data extracted from original spectra and pretreated spectra
		Original spectra	VN	FD	SD	VN + FD	VN + SD
1	90 (9/10)	90 (9/10)	100	100	100	100	100
2	0 (0/6)	50 (3/6)	100	66.67 (4/6)	66.67 (4/6)	100	100
3	100	100	100	100	100	100	100
4	83.3 (5/6)	100	100	100	100	100	100
5	0 (0/6)	83.33 (5/6)	50 (3/6)	50 (3/6)	33.33 (2/6)	50 (3/6)	33.33 (2/6)
6	100	87.5 (7/8)	100	100	100	100	100
7	40 (4/10)	60 (6/10)	30 (3/10)	100	100	70 (7/10)	70 (7/10)
8	37.5 (3/8)	75 (6/8)	75 (6/8)	75 (6/8)	75 (6/8)	25 (2/8)	25 (2/8)
9	62.5 (5/8)	100	100	100	100	100	0 (0/8)
Total	61.11	83.33	83.3	90.28	88.89	86.11	70.83