Rapid Discrimination of the Geographical Origins of an Oolong Tea (Anxi-Tieguanyin) by Near-Infrared Spectroscopy and Partial Least Squares Discriminant Analysis

Table 2

Predicting results obtained by PLSDA.

	Lv^a	Sen^b	Spe^c
Raw data	12	0.908 (119/131)	0.971 (34/35)
SNV	12	0.931 (122/131)	1.000 (35/35)
D2	3	0.893 (117/131)	0.886 (31/35)
Smoothing	12	0.908 (119/131)	0.971 (34/35)

aNumber of PLADA latent variables.
^bThe sensitivity of PLSDA model.
^cThe sensitivity of PLSDA model.