Table 3. The statistical parameters of developed models .

Models	N	r 2	r 2 Adjusted	q 2 (LOO)	r 2 -q 2 (LOO)	Q 2 (test)	SEE	SDEP	$\overline{r}{\overline{m}}^2$	$\Delta \overline{r}{\overline{m}}^2$	P value	MAPE (Train set)	MAPE (Test set)
Eq. 6	31	0.689	0.634	0.483	0.206	0.670	0.376	0.437	0.378	0.094	8.08×10-9	0.149	0.237
Eq. 7	31	0.749	0.686	0.530	0.210	0.692	0.349	0.416	0.417	0.138	1.89×10-9	0.152	0.298