Table 8.

Validation of the RBFNN model.

Training Set	R2	F	RMS	Test Set	R2	F	RMS
A+B+C+D	0.925	950.686	0.447	T	0.896	155.424	0.547
B+C+D+T	0.915	827.525	0.494	A	0.932	247.421	0.418
A+C+D+T	0.910	778.942	0.519	B	0.954	371.815	0.361
A+B+D+T	0.915	824.679	0.500	C	0.931	244.294	0.455
A+B+C+T	0.921	911.329	0.472	D	0.900	152.589	0.559
Average	0.917	858.632	0.486		0.923	234.309	0.468