Grey Wolf Optimizer-Based ANNs to Predict the Compressive Strength of Self-Compacting Concrete

Table 10

Statistics of top 3 seven-input ANN-GWO models on testing data.

Network designation	ME	MAE	MSE	RMSE	AAE	EF	VAF (%)
ANN-GWO (11-4)	0.00	9.59	178.12	13.35	0.22	0.67	67
ANN-GWO (7-5)	0.21	11.08	213.68	14.62	0.27	0.60	60
ANN-GWO (11-9)	1.16	10.38	220.29	14.84	0.25	0.59	59