 Error function   Definition  References 

Coefficient of determination ()  (10)   [24, 25, 41] 
Sum of the squares of errors (ERRSQ) 
(11)  
[34] 
Hybrid fractional error function (HYBRID) 
(12)  
[42] 
Marquardt’s percent standard deviation (MPSD) 
(13)  
[43, 44] 
Average relative error (ARE) 
(14)  
[24, 45] 
Sum of the absolute errors (EABS) 
(15)  
[46]  Corrected Akaike information criterion (AIC_{C})  (16)  , 
[46–48]  (17) 
where  Akaike weight for the ith model ()  (18)  ,  (19) 
where 

