Research Article
Short-Term Wind Speed Prediction Using EEMD-LSSVM Model
Table 8
Statistics for absolute relative error of each prediction point (Case Two).
| | Prediction horizon | Model | Intervals of absolute relative error | | <1% | <4% | <7% | <10% | <15% |
| | One-step | LSSVM | 9.72% | 42.36% | 61.81% | 70.14% | 81.94% | | ARIMA | 13.89% | 41.67% | 59.72% | 69.44% | 81.94% | | BP | 6.94% | 38.89% | 55.56% | 71.53% | 82.64% | | EMD-LSSVM | 16.67% | 68.06% | 79.86% | 86.11% | 92.36% | | EEMD-ARIMA | 28.47% | 76.39% | 89.58% | 93.06% | 93.06% | | EEMD-LSSVM | 25.69% | 79.17% | 92.36% | 94.44% | 96.53% |
| | Two-step | LSSVM | 7.69% | 28.67% | 41.26% | 58.04% | 71.33% | | ARIMA | 6.29% | 29.37% | 41.96% | 54.55% | 71.33% | | BP | 9.09% | 27.27% | 45.45% | 60.14% | 69.23% | | EMD-LSSVM | 11.19% | 43.36% | 67.13% | 79.72% | 88.11% | | EEMD-ARIMA | 13.29% | 53.15% | 75.52% | 85.31% | 91.61% | | EEMD-LSSVM | 18.18% | 62.24% | 81.82% | 87.41% | 91.61% |
| | Three-step | LSSVM | 7.04% | 24.65% | 38.03% | 49.30% | 62.68% | | ARIMA | 5.63% | 24.65% | 37.32% | 47.89% | 61.27% | | BP | 5.63% | 26.76% | 40.14% | 50.70% | 61.97% | | EMD-LSSVM | 8.45% | 40.14% | 57.04% | 71.83% | 85.21% | | EEMD-ARIMA | 7.75% | 44.37% | 66.90% | 78.17% | 91.55% | | EEMD-LSSVM | 10.56% | 53.52% | 75.35% | 85.92% | 88.73% |
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