Table 4. Comparison of four indexes on network with size 1505.

Method	TPR	FPR	PPV	ACC
LSGPA	0.4179	0.0016	0.0573	0.9983
NARROMI	0.1770	3.1266e-4	0.0139	0.9994
PCA-CMI(0-order)	0.4240	0.3633	2.4162e-4	0.6366
PCA-CMI(1-order)	0.4664	0.4056	0.0003	0.5943
PCA-CMI(2-order)	non	non	non	non