Stable Isotope Ratio and Elemental Profile Combined with Support Vector Machine for Provenance Discrimination of Oolong Tea (Wuyi-Rock Tea)

Table 6

Predicting results obtained by SVM.

Data type	Sensitivity	Specificity	Accuracy
Isotope data	0.9394 (31/33)	0.9091 (10/11)	0.9318 (41/44)
Metallic element data	0.8788 (29/33)	0.4545 (5/11)	0.7727 (34/44)
Coupled data	0.9697 (32/33)	1 (11/11)	0.9773 (43/44)