Table 2.
Mean absolute percentage errors (MAPE) of the next-day antipsoriatic irradiance forecasting produced by SurfUVNet and other models on the ERA5 Tokyo and London datasets.
| Model | Tokyo | London | ||
|---|---|---|---|---|
| Validation set MAPE (2018, 8AM–4PM) | Test set MAPE (2019, 8AM–4PM) | Validation set MAPE (2018, 8AM–4PM) | Test set MAPE (2019, 8AM–4PM) | |
| Previous day model | 21.78 | 35.50 | 18.14 | 43.57 |
| Regression model based on Earth–Sun distance and total ozone column22 | 16.68 | 16.52 | 18.68 | 19.17 |
| CNN-LSTM-SG-7 | 14.75 ± 0.41 | 15.77 ± 0.33 | 13.14 ± 0.35 | 16.27 ± 0.54 |
| CNN-LSTM-SG-14 | 13.18 ± 0.28 | 14.99 ± 0.51 | 12.19 ± 0.19 | 17.78 ± 0.19 |
| Seq2Seq-14 (SurfUVNet) | 11.83 ± 0.44 | 12.72 ± 0.67 | 11.54 ± 0.50 | 17.74 ± 0.19 |