Diagnostic Method of Diabetes Based on Support Vector Machine and Tongue Images

Table 3

Specificity, sensitivity, and AUC of SVM classification before and after data processing.

Datasets	Specificity (%)	Sensitivity (%)	AUC
Raw data	81.05	75.21	0.8773
Normalized data	82.80	75.63	0.9065
Normalized data with PCA	83.16	76.92	0.9037