Prediction of Surface Roughness in End Milling Process Using Intelligent Systems: A Comparative Study

Table 5

A summary of the training and testing results.

	RBFN	ANFIS			G-FIS
		Learning method	ZO	FO	Initiation method	ZO	FO
Training error (RMSE)	0.0	BP	0.1067	0.0449	Random	0.0485	0.0409
		HL	0.0315	0.0016
Testing error (RMSE)	0.0295	BP	0.1069	0.0542	Random	0.0395	0.0488
		HL	0.0434	0.0339