Research Article
Multistep Wind Speed Forecasting Based on Wavelet and Gaussian Processes
Table 3
Comparison of forecast accuracy for mean daily wind speed.
| ā | Number of forecasting steps (day) | ā | 1 | 2 | 3 | Average |
| RMSE (m/s) | Persistence | 1.6069 | 2.2461 | 2.2985 | 2.0505 | MLP | 2.2651 | 2.5642 | 2.4331 | 2.4208 | GP | 1.9024 | 2.1317 | 2.0892 | 2.0411 | W-GP | 1.6110 | 2.0241 | 2.0421 | 1.8924 |
| MAE (m/s) | Persistence | 1.2979 | 1.8150 | 1.8368 | 1.6499 | MLP | 1.6953 | 1.9832 | 2.0775 | 1.9187 | GP | 1.4838 | 1.7028 | 1.7227 | 1.6364 | W-GP | 1.2775 | 1.6355 | 1.6357 | 1.5162 |
| MAPE (%) | Persistence | 29.9989 | 49.0180 | 42.9931 | 40.6700 | MLP | 47.7015 | 52.4184 | 56.1476 | 52.0892 | GP | 40.8972 | 38.6730 | 47.5696 | 42.3799 | W-GP | 30.2413 | 39.4201 | 44.0601 | 37.9072 |
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