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

<div>(a) Feature selection of isotope and prediction accuracy. (b) Feature selection of metallic element and prediction accuracy.</div>

Journal of Analytical Methods in Chemistry

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Figure 2

Figure 2: Stable Isotope Ratio and Elemental Profile Combined with Support Vector Machine for Provenance Discrimination of Oolong Tea (Wuyi-Rock Tea) 

Figure 2 | Stable Isotope Ratio and Elemental Profile Combined with Support Vector Machine for Provenance Discrimination of Oolong Tea (Wuyi-Rock Tea) 