Application of Artificial Neural Network(s) in Predicting Formwork Labour Productivity

Table 4

Performance indices for models with one hidden layer.

Neurons	5	10	15	20	25	30	35	40	45	50	60
MSE	0.014	0.014	0.017	0.012	0.015	0.014	0.017	0.015	0.030	0.008	0.011
MSE train	0.010	0.004	0.002	0.002	0.001	0.002	0.002	0.002	0.001	0.005	0.003
MSE test	0.034	0.061	0.086	0.060	0.082	0.075	0.085	0.080	0.069	0.025	0.050
R^2	0.94	0.94	0.93	0.95	0.94	0.94	0.94	0.94	0.91	0.97	0.96
R^2 train	0.96	0.98	0.99	0.99	1	0.99	0.99	0.99	1	0.98	0.99
R^2 test	0.88	0.77	0.69	0.72	0.68	0.79	0.5	0.77	0.75	0.89	0.77