Simultaneous Recognition of Species, Quality Grades, and Multivariate Calibration of Antioxidant Activities for 12 Famous Green Teas Using Mid- and Near-Infrared Spectroscopy Coupled with Chemometrics

Table 2

FOMs of MIR and NIR models in 12 famous green teas by the PLSDA method.

Group code	Training set		Prediction set		MIR		NIR
	Number	Sample	Number	Sample	SEN	SEL	SEN	SEL
G01	9	1^st–9^th	1	1^st	1.00	1.00	1.00	1.00
G02	6	10^th–15^th	4	2^nd–5^th	1.00	1.00	1.00	1.00
G03	8	16^th–23^th	2	6^th–7^th	1.00	1.00	1.00	1.00
G04	8	24^th–31^th	2	8^th–9^th	1.00	1.00	1.00	1.00
G05	6	32^th–37^th	4	10^th–13^th	1.00	1.00	1.00	1.00
G06	8	38^th–45^th	2	14^th–15^th	1.00	1.00	1.00	1.00
G07	5	46^th–50^th	5	16^th–20^th	1.00	1.00	1.00	1.00
G08	8	51^th–58^th	2	21^th–22^th	1.00	1.00	1.00	1.00
G09	7	59^th–65^th	3	23^th–25^th	1.00	1.00	1.00	1.00
G10	8	66^th–73^th	2	26^th–27^th	1.00	1.00	1.00	1.00
G11	8	74^th–81^th	2	28^th–29^th	1.00	1.00	1.00	1.00
G12	7	82^th–88^th	3	30^th–32^th	1.00	1.00	1.00	1.00