Table 2 Prediction results of improved and traditional GHMM.
From: Air quality historical correlation model based on time series
Model | MAPE (%) | RMSE | MAE | Number of hidden states | Matching days |
|---|---|---|---|---|---|
Improved GHMM | 19.26 | 24.08 | 19.52 | 3 | 8 |
Traditional GHMM | 31.48 | 43.16 | 34.02 | 3 | / |
LSTM | 20.75 | 28.77 | 23.59 | / | / |
ARIMA | 37.90 | 65.80 | 45.29 | / | / |
