Table 7 Comparison of the prediction results of the different decomposition methods.
Dataset | Decomposition method | RMSE /(µg/m3) | MAE /(µg/m3) | SMAPE /(%) | PCC | DA | MBE |
|---|---|---|---|---|---|---|---|
Lanzhou | CEEMDAN-GRU | 7.1517 | 4.2856 | 13.67% | 0.9003 | 0.7174 | -0.2237 |
STL-GRU | 5.3648 | 3.0980 | 9.24% | 0.9460 | 0.7464 | 0.1726 | |
Xi’an | CEEMDAN-GRU | 10.2638 | 7.4251 | 20.74% | 0.9452 | 0.7826 | -1.2538 |
STL-GRU | 8.8417 | 5.7235 | 15.03% | 0.9597 | 0.7935 | -0.6880 | |
Beijing | CEEMDAN-GRU | 13.3516 | 9.4665 | 43.94% | 0.8408 | 0.7721 | 0.4473 |
STL-GRU | 14.7382 | 10.1124 | 41.86% | 0.8031 | 0.6360 | 1.2777 | |
Shijiazhuang | CEEMDAN-GRU | 9.7250 | 7.3547 | 20.97% | 0.9287 | 0.7899 | -1.9463 |
STL-GRU | 7.6280 | 5.7090 | 16.21% | 0.9561 | 0.7971 | -0.1310 | |
Chengdu | CEEMDAN-GRU | 5.9986 | 4.4002 | 15.13% | 0.9475 | 0.7645 | 0.3757 |
STL-GRU | 5.1486 | 3.9717 | 14.09% | 0.9647 | 0.7754 | 0.8519 | |
Lhasa | CEEMDAN-GRU | 1.0983 | 0.7557 | 10.11% | 0.9583 | 0.7868 | 0.0307 |
STL-GRU | 1.4493 | 1.0628 | 13.52% | 0.9256 | 0.6029 | 0.0198 |
