| Model | RMSE | Regression |
| Shepherd | 0.1739 | 0.95478 |
| Unnewehr | 0.1178 | 0.95155 |
| Nernst | 0.0672 | 0.98321 |
| Linear | 0.0284 | 0.99530 |
| RC | 0.0202 | 0.99788 |
| NIO (d = 2) | 0.0579 | 0.97694 |
| NIO (d = 4) | 0.0433 | 0.98742 |
| NIO (d = 6) | 0.0379 | 0.99176 |
| NIO (d = 8) | 0.0421 | 0.98995 |
| NIO (d = 10) | 0.5889 | 0.98860 |
| NARX (d = 2) | 0.0074 | 0.99990 |
| NARX (d = 4) | 0.0128 | 0.99961 |
| NARX (d = 6) | 0.0193 | 0.99920 |
| NARX (d = 8) | 0.0253 | 0.99867 |
| NARX (d = 10) | 0.0311 | 0.99807 |