Artificial Neural Network Modeling for Biological Removal of Organic Carbon and Nitrogen from Slaughterhouse Wastewater in a Sequencing Batch Reactor

Table 9

Comparison of performance statistics of three ANN models.

Model number	Pollutant removal efficiency	ME	MSE	RMSE	Coefficient of determination	Slope	Y-axis intercept
Model “A”	COD removal; NH4^+-N removal	0.06; 0.23	2.81; 1.63	1.67; 1.27	0.960; 0.958	0.918; 0.912	0.0537; 0.0598
Model “B”	COD removal; NH4^+-N removal	0.18; 0.02	1.32; 2.38	1.14; 1.54	0.947; 0.948	0.928; 0.951	0.0494; 0.0469
Model “C”	COD removal; NH4^+-N removal	0.42; 0.30	4.28; 2.13	2.06; 1.45	0.955; 0.953	0.932; 0.909	0.0495; 0.0598