Table 2.

Model validation parameters

Parameter	Model 1	Benchmarka
Friedman LOF	0.2006
R-squared (R2)	0.7397	≥ 0.6
Adjusted R-squared (R2adj.)	0.6712	≥ 0.6
Cross validated R-squared (Q2cv)	0.5547	≥ 0.5
Significant regression?	Yes	Yes
External validation (R2ext.)	0.7202	≥ 0.6

Key: ^a[31]