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

Table 9

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

Network designation	ME	MAE	MSE	RMSE	AAE	EF	VAF (%)
ANN-GWO (11-4)	−0.65	8.44	114.99	10.72	0.18	0.73	74
ANN-GWO (7-5)	−0.42	10.15	151.70	12.32	0.21	0.65	65
ANN-GWO (11-9)	−0.69	8.46	115.76	10.76	0.17	0.73	73