Research Article
Multistep Wind Speed Forecasting Based on Wavelet and Gaussian Processes
Table 2
Comparison of forecast accuracy for mean hourly wind speed.
| ā | Number of forecasting steps (hour) | ā | 1 | 2 | 3 | 4 | Average |
| RMSE (m/s) | Persistence | 1.0028 | 1.5272 | 1.9233 | 2.2231 | 1.6691 | MLP | 1.0075 | 1.5697 | 1.8911 | 2.1545 | 1.6557 | GP | 1.0305 | 1.4741 | 1.8219 | 2.1572 | 1.6209 | W-GP | 0.9605 | 1.2672 | 1.6041 | 1.9539 | 1.4464 |
| MAE (m/s) | Persistence | 0.7431 | 1.1399 | 1.5271 | 1.7293 | 1.2849 | MLP | 0.7647 | 1.2168 | 1.4515 | 1.7095 | 1.2856 | GP | 0.7675 | 1.1280 | 1.4200 | 1.7035 | 1.2548 | W-GP | 0.7204 | 0.9565 | 1.2093 | 1.5320 | 1.1046 |
| MAPE (%) | Persistence | 11.0534 | 16.9723 | 26.3192 | 26.7187 | 20.2659 | MLP | 11.9014 | 19.0887 | 22.3889 | 27.7471 | 20.2815 | GP | 11.2190 | 17.4187 | 23.1315 | 28.4284 | 20.0494 | W-GP | 11.2430 | 14.3263 | 18.3666 | 23.9891 | 16.9812 |
|
|