Research Article
A Comparison of Hour-Ahead Solar Irradiance Forecasting Models Based on LSTM Network
Table 3
The performance of Model I-A with 1–12-hour historical irradiance (from Lagging 1 to Lagging 12).
| | RMSE (W/m2) | nRMSE (%) | MAE (W/m2) | MBE (W/m2) | R |
| Lagging 1 (1 h) | 110.64 | 55.67 | 66.32 | −1.57 | 0.9216 | Lagging 2 (2 h) | 84.77 | 43.02 | 45.52 | 2.65 | 0.9524 | Lagging 3 (3 h) | 80.37 | 40.75 | 40.88 | 1.57 | 0.9574 | Lagging 4 (4 h) | 79.56 | 40.35 | 43.15 | −0.07 | 0.9583 | Lagging 5 (5 h) | 78.45 | 39.78 | 42.71 | 0.63 | 0.9596 | Lagging 6 (6 h) | 76.95 | 39.00 | 40.38 | 1.07 | 0.9610 | Lagging 7 (7 h) | 77.53 | 39.21 | 42.17 | 0.22 | 0.9607 | Lagging 8 (8 h) | 75.91 | 38.47 | 38.26 | −0.94 | 0.9621 | Lagging 9 (9 h) | 75.81 | 38.43 | 37.43 | 0.85 | 0.9622 | Lagging 10 (10 h) | 75.22 | 38.12 | 36.90 | −2.41 | 0.9628 | Lagging 11 (11 h) | 75.26 | 38.15 | 37.36 | 2.02 | 0.9628 | Lagging 12 (12 h) | 75.91 | 38.25 | 41.15 | 2.25 | 0.9624 |
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