Parameter | Estimate | SE | RMSE | MAE | R2 | AIC |
---|---|---|---|---|---|---|
Simple H–D model | ||||||
a | 25.495801 | 0.847184 | 4.311 | 3.282 | 0.686 | |
b | 2.742643 | 0.135004 | ||||
c | 0.026183 | 0.001789 | ||||
Simple NLME H–D model | ||||||
a | 25.803052 | 0.9713473 | 4.143 | 3.120 | 0.710 | 2222 |
b | 2.647948 | 0.1500307 | ||||
c | 0.025194 | 0.0018638 | ||||
\({\sigma }_{u}^{2}\) | 2.0215805 | 1.4218229 | ||||
\({\sigma }^{2}\) | 0.7835037 | 0.8851574 | ||||
\(\delta\) | 0.3540391 | |||||
Generalized H–D model | ||||||
a0 | 17.231019 | 2.140041 | 4.173 | 3.090 | 0.705 | |
a1 | 0.330946 | 0.082163 | ||||
b0 | 0.886679 | 0.441154 | ||||
b1 | 0.011143 | 0.002890 | ||||
c0 | 0.026182 | 0.001806 | ||||
Generalized NLME H–D model | ||||||
a0 | 17.263367 | 2.2404455 | 4.148 | 3.081 | 0.709 | 2209 |
a1 | 0.337622 | 0.0865606 | ||||
b0 | 0.908298 | 0.4912982 | ||||
b1 | 0.010706 | 0.0032225 | ||||
c0 | 0.025530 | 0.0018646 | ||||
\({\sigma }_{u}^{2}\) | 0.1898353 | 0.4357009 | ||||
\({\sigma }^{2}\) | 0.6266310 | 0.7916003 | ||||
\(\delta\) | 0.3777712 |