Research Article
Natural Gas Price Forecasting by a New Hybrid Model Combining Quadratic Decomposition Technology and LSTM Model
Table 6
Numerical results of multistep ahead forecasting with the hybrid prediction model.
| Prediction horizon | Error indicator | Model 6 | Model 7 | Model 8 | Model 9 | Model 10 |
| One-step ahead | | 0.6746 | 0.4087 | 0.4397 | 0.4378 | 0.3647 | | 0.2958 | 0.2021 | 0.1948 | 0.1834 | 0.1793 | | 0.0906 | 0.0621 | 0.0606 | 0.0559 | 0.0576 |
| Three-step ahead | | 0.7586 | 0.5520 | 0.5076 | 0.4998 | 0.4588 | | 0.3700 | 0.3107 | 0.2366 | 0.2266 | 0.2202 | | 0.1069 | 0.0908 | 0.0744 | 0.0717 | 0.0703 |
| Five-step ahead | | 0.8900 | 0.8027 | 0.5684 | 0.5540 | 0.5263 | | 0.4475 | 0.4520 | 0.2716 | 0.2547 | 0.2470 | | 0.1265 | 0.1262 | 0.0872 | 0.0805 | 0.0769 |
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