Firefly Algorithm-Based Artificial Neural Network to Predict the Shear Strength in FRP-Reinforced Concrete Beams

Table 3

Top four ANN statistics.

Num	Topology	Train				Test
		R^2	y = ax + b	RMSE	AAE	R^2	y = ax + b	RMSE	AAE
1	FA-ANN 3L (2-6-2)	0.972	y = 0.9426x + 3.9394	20.18	0.21	0.952	y = 1.0783x + 0.9683	26.37	0.25
2	FA-ANN 3L (8-2-4)	0.970	y = 0.9554x + 3.9683	20.37	0.24	0.942	y = 1.1022x + 1.6858	30.98	0.32
3	FA-ANN 3L (3-7-3)	0.955	y = 0.9303x + 5.0749	25.14	0.26	0.928	y = 1.1101x - 0.4873	33.84	0.30
4	FA-ANN 3L (3-8-2)	0.965	y = 0.9696x + 2.8502	21.95	0.25	0.943	y = 1.1669x - 4.1261	34.73	0.31