Table 2 Traffic speed prediction results of different methods on METR-LA and PEMS-BAY.
Datasets | Methods | 15Â min | 30Â min | 60Â min | ||||||
---|---|---|---|---|---|---|---|---|---|---|
MAE | RMSE | MAPE (%) | MAE | RMSE | MAPE (%) | MAE | RMSE | MAPE (%) | ||
METR-LA | VAR | 4.42 | 7.89 | 10.20 | 5.41 | 9.13 | 12.7 | 6.52 | 10.11 | 15.80 |
SVR | 3.99 | 8.45 | 9.30 | 5.05 | 10.87 | 12.10 | 6.72 | 13.76 | 16.70 | |
ARIMA | 3.99 | 8.21 | 9.60 | 5.15 | 10.45 | 12.70 | 6.90 | 13.23 | 17.40 | |
LSTM | 3.44 | 6.30 | 9.60 | 3.77 | 7.23 | 10.90 | 4.37 | 8.69 | 13.20 | |
GCRN | 3.03 | 5.75 | 8.26 | 3.54 | 6.92 | 10.11 | 4.32 | 8.48 | 13.05 | |
STGCN | 2.88 | 5.74 | 7.62 | 3.47 | 7.24 | 9.57 | 4.59 | 9.40 | 12.70 | |
DCRNN | 2.77 | 5.38 | 7.30 | 3.15 | 6.45 | 8.80 | 3.60 | 7.59 | 10.50 | |
ASTGCN(r) | 4.86 | 9.27 | 9.21 | 5.43 | 10.61 | 10.13 | 6.51 | 12.52 | 11.64 | |
OGCRNN | 3.04 | 5.72 | 8.20 | 3.45 | 6.66 | 9.56 | 3.98 | 7.80 | 11.35 | |
STSGCN | 3.31 | 7.62 | 8.06 | 4.13 | 9.77 | 10.29 | 5.06 | 11.66 | 12.91 | |
GWN | 2.98 | 5.90 | 7.92 | 3.59 | 7.29 | 10.26 | 4.43 | 8.97 | 13.64 | |
Z-GCNETs | 3.23 | 7.48 | 7.87 | 3.93 | 9.40 | 9.75 | 4.83 | 11.57 | 12.04 | |
AGCRN | 3.35 | 7.72 | 8.38 | 4.05 | 9.58 | 10.25 | 4.97 | 11.74 | 12.62 | |
TRL-DAG (ours) | 2.73 | 5.32 | 7.27 | 3.16 | 6.41 | 8.68 | 3.55 | 7.37 | 10.28 | |
PEMS-BAY | VAR | 1.74 | 3.16 | 3.60 | 2.32 | 4.25 | 5.00 | 2.93 | 5.44 | 6.50 |
SVR | 1.85 | 3.59 | 3.80 | 2.48 | 5.18 | 5.50 | 3.28 | 7.08 | 8.00 | |
ARIMA | 1.62 | 3.30 | 3.50 | 2.33 | 4.76 | 5.40 | 3.38 | 6.50 | 8.30 | |
LSTM | 2.05 | 4.19 | 4.80 | 2.20 | 4.55 | 5.20 | 2.37 | 4.96 | 5.57 | |
GCRN | 1.46 | 3.06 | 3.22 | 1.88 | 4.17 | 4.34 | 2.40 | 5.36 | 5.89 | |
STGCN | 1.36 | 2.96 | 2.90 | 1.81 | 4.27 | 4.17 | 2.49 | 5.69 | 5.79 | |
DCRNN | 1.38 | 2.95 | 2.90 | 1.74 | 3.97 | 3.90 | 2.07 | 4.47 | 4.90 | |
ASTGCN(r) | 1.52 | 3.13 | 3.22 | 2.01 | 4.27 | 4.48 | 2.61 | 5.42 | 6.00 | |
OGCRNN | 1.48 | 3.06 | 3.28 | 1.83 | 3.96 | 4.26 | 2.16 | 4.77 | 5.12 | |
STSGCN | 1.44 | 3.01 | 3.04 | 1.83 | 4.18 | 4.17 | 2.26 | 5.21 | 5.40 | |
GWN | 1.39 | 3.01 | 2.89 | 1.83 | 4.21 | 4.11 | 2.35 | 5.43 | 5.78 | |
Z-GCNETs | 1.36 | 2.86 | 2.88 | 1.68 | 3.78 | 3.79 | 1.98 | 4.53 | 4.60 | |
AGCRN | 1.39 | 2.96 | 2.98 | 1.71 | 3.92 | 3.87 | 2.02 | 4.69 | 4.70 | |
TRL-DAG (ours) | 1.29 | 2.75 | 2.78 | 1.61 | 3.70 | 3.66 | 1.92 | 4.50 | 4.56 |