Research Article
Short-Term Wind Speed Prediction Using EEMD-LSSVM Model
Table 5
Statistics for absolute relative error of each prediction point (Case One).
| | Prediction horizon | Model | Intervals of absolute relative error | | <1% | <4% | <7% | <10% | <15% |
| | One-step | LSSVM | 7.64% | 27.78% | 47.92% | 59.03% | 77.08% | | ARIMA | 6.25% | 30.56% | 44.44% | 56.94% | 76.39% | | BP | 6.25% | 29.17% | 50.00% | 54.86% | 72.92% | | EMD-LSSVM | 14.58% | 56.25% | 75.00% | 85.42% | 94.44% | | EEMD-ARIMA | 18.75% | 53.47% | 72.92% | 87.50% | 95.14% | | EEMD-LSSVM | 25.00% | 58.33% | 75.69% | 88.19% | 97.22% |
| | Two-step | LSSVM | 5.59% | 21.68% | 34.97% | 47.55% | 60.84% | | ARIMA | 4.90% | 21.68% | 34.27% | 41.96% | 58.04% | | BP | 4.90% | 18.18% | 28.67% | 37.76% | 51.05% | | EMD-LSSVM | 15.38% | 43.36% | 65.73% | 79.72% | 89.51% | | EEMD-ARIMA | 10.49% | 39.16% | 58.74% | 76.22% | 91.61% | | EEMD-LSSVM | 17.48% | 48.95% | 69.93% | 82.52% | 90.21% |
| | Three-step | LSSVM | 2.11% | 16.90% | 33.10% | 40.85% | 54.93% | | ARIMA | 5.63% | 17.61% | 30.28% | 37.32% | 51.41% | | BP | 1.41% | 12.68% | 23.94% | 35.92% | 49.30% | | EMD-LSSVM | 12.68% | 29.58% | 48.59% | 65.49% | 81.69% | | EEMD-ARIMA | 4.93% | 27.46% | 50.00% | 57.75% | 83.10% | | EEMD-LSSVM | 11.97% | 42.96% | 62.68% | 73.24% | 88.03% |
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