Medicare fraud detection using neural networks

Journal of Big Data

Table 16 Average cost-sensitive results (30 runs)

Method	\(w_{pos}\)	\(w_{neg}\)	Hidden layers	Decision threshold	ROC AUC	TPR	TNR	G-Mean
CoSen-1-2	3112	1	2	0.4760	0.8075	0.7574	0.7031	0.7283
CoSen-1-4			4	0.4480	0.8011	0.8008	0.6522	0.7213
CoSen-2-2	0.9997	0.0003	2	0.4780	0.8072	0.7529	0.7086	0.7291
CoSen-2-4			4	0.4825	0.8028	0.7265	0.7389	0.7318