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

Table 3

Sample sets.

Name	Label	Total	Training set	Validation set
Gypsum fibrosum	1	14	10	4
Alumen	2	10	6	4
Sal ammoniac	3	14	10	4
Quartz	4	10	6	4
Natrii sulfas	5	10	6	4
Natrii sulfas exsiccatus	6	12	8	4
Calcite	7	14	10	4
Yellow croaker otolith	8	12	8	4
Borax	9	12	8	4
Total	—	108	72	36