Research Article
A Comparison of Hour-Ahead Solar Irradiance Forecasting Models Based on LSTM Network
Table 5
The performance of Model II-AC and II-AD with 1–12-hour historical irradiance (from Lagging 1 to Lagging 12).
| | | Model II-AC | Model II-AD | | RMSE (W/m2) | nRMSE (%) | RMSE (W/m2) | nRMSE (%) |
| | Lagging 1 (1 h) | 73.2477 | 38.0547 | 71.843 | 37.3249 | | Lagging 2 (2 h) | 71.9784 | 37.391 | 71.2248 | 36.9995 | | Lagging 3 (3 h) | 71.4207 | 37.0971 | 71.2623 | 37.0148 | | Lagging 4 (4 h) | 71.3815 | 37.0725 | 71.2267 | 36.9921 | | Lagging 5 (5 h) | 71.1067 | 36.9256 | 71.8271 | 37.2996 | | Lagging 6 (6 h) | 71.3472 | 37.0462 | 70.0358 | 36.3653 | | Lagging 7 (7 h) | 71.2828 | 37.0086 | 70.3305 | 36.5142 | | Lagging 8 (8 h) | 71.6838 | 37.2126 | 69.7479 | 36.2076 | | Lagging 9 (9 h) | 71.1645 | 36.9392 | 71.8127 | 37.2757 | | Lagging 10 (10 h) | 70.2837 | 36.4806 | 71.2756 | 36.9954 | | Lagging 11 (11 h) | 72.045 | 37.3973 | 71.3583 | 37.0408 | | Lagging 12 (12 h) | 70.4213 | 36.558 | 70.1675 | 36.4262 |
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