| Model | ME | RMSE | ASE | MSE |
| Stable | 0.12 | 2.74 | 0.64 | 0.01 |
| Circular | 0.18 | 2.73 | 1.12 | 0.03 |
| Expoenetial | 0.21 | 2.80 | 1.15 | 0.04 |
| Spherical | 0.18 | 2.71 | 1.00 | 0.03 |
| Gaussian | 0.06 | 2.75 | 1.38 | 0.09 |