Table 1 Prediction error of different models
| Error | Linear regression model | Model 1 | Model 2 | Model 3 |
|---|---|---|---|---|
| Maximum relative error absolute value Emac/% | 41.6 | 38.8 | 26.2 | 13.3 |
| Average relative error Eave/% | 5.1 | 13.3 | 5.8 | 3.7 |
| Root mean square error RMSE (104) | 8.9 | 8.0 | 7.3 | 4.1 |