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

Table 11

Statistical performance of the regression methods.

Technique	R^2	MSE	Time (sec)	Number of variables
Best subset	46.8	0.259	∼2	8
Stepwise	48.61	0.259	∼2	7
EPR	52.69	0.057	1140	8