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

Table 4

Statistical index of experimental to the predicted shear strength of FRP-reinforced beams.

Num	Topology	All
		R^2	y = ax + b	RMSE	AAE
1	FA-ANN 3L (2-6-2)	0.961	y = 0.9734x + 3.838	22.21	0.22
2	FA-ANN 3L (8-2-4)	0.956	y = 0.9887x + 4.1415	24.03	0.26
3	FA-ANN 3L (3-7-3)	0.939	y = 0.9713x + 4.4465	28.02	0.27
4	FA-ANN 3L (3-8-2)	0.950	y = 1.0145x + 1.8956	26.41	0.27
5	ACI-440	0.315	y = 0.166x + 23.551	111.69	0.53
6	CSA-S806	0.451	y = 0.3358x + 40.062	88.28	0.22
7	BISE-99	0.308	y = 0.196x + 33.473	104.76	0.36
8	Nehdi et al	0.881	y = 0.9748x + 13.568	41.91	0.25