Prediction of Compressive Strength of Concrete in Wet-Dry Environment by BP Artificial Neural Networks

Table 6

Prediction performance comparison between LR and BP.

Model	R^2	MAE (MPa)	MAPE (%)	RMSE (MPa)
Linear regression	0.5842	8.63	20.8	10.99
BP neural network	0.9620	2.65	3.42	3.15