Rail Degradation Prediction Models for Tram System: Melbourne Case Study

Table 5

Results of ANN models for unrepaired segments.

Segments type	Number of neurons in the first hidden layer	Neurons in the second hidden layer	Adjusted	MSE
Straight	10	7	0.91	0.50
	15	10	0.90	0.60
	20	15	0.91	0.48
	25	20	0.91	0.48
Curve	10	7	0.81	1.64
	15	10	0.77	1.32
	20	15	0.44	3.84
	25	20	0.87	0.86