Table 3 The evaluation results of SSA-BiLSTM-LightGBM multistep prediction.

From: Prediction of air quality index based on the SSA-BiLSTM-LightGBM model

Step size

RMSE

MAE

SMAPE

Adjusted R2

1 h

0.6897

0.4718

1.2712%

0.9995

2 h

2.6772

2.2163

6.1351%

0.9938

3 h

6.1321

4.3600

10.8971%

0.9659

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