Research Article
Hybrid Models Based on Singular Values and Autoregressive Methods for Multistep Ahead Forecasting of Traffic Accidents
Table 3
Multistep ahead prediction—average results, MAPE, and RMSE.
| (week) | (%) | (%) | SSA-AR | SSA-ANN | HSVD-AR | HSVD-ANN | SSA-AR | SSA-ANN | HSVD-AR | HSVD-ANN |
| 1 | 0.1 | 0.1 | 0.8 | 0.9 | 0.05 | 0.05 | 0.36 | 0.43 | 2 | 0.3 | 0.3 | 1.1 | 1.4 | 0.13 | 0.13 | 0.54 | 0.67 | 3 | 0.4 | 0.5 | 1.4 | 1.8 | 0.21 | 0.22 | 0.67 | 0.87 | 4 | 0.6 | 0.7 | 1.7 | 2.2 | 0.30 | 0.32 | 0.79 | 1.03 | 5 | 0.9 | 1.0 | 1.9 | 2.8 | 0.40 | 0.45 | 0.89 | 1.23 | 6 | 1.1 | 1.3 | 2.2 | 3.1 | 0.52 | 0.6 | 0.99 | 1.37 | 7 | 1.3 | 1.5 | 2.4 | 3.5 | 0.64 | 0.7 | 1.11 | 1.59 | 8 | 1.6 | 1.8 | 2.6 | 3.7 | 0.76 | 0.8 | 1.19 | 1.70 | 9 | 1.8 | 2.3 | 2.6 | 3.8 | 0.88 | 0.9 | 1.22 | 1.72 | 10 | 2.1 | 2.5 | 2.6 | 3.8 | 1.0 | 1.1 | 1.22 | 2.19 | 11 | 2.4 | 2.9 | 2.5 | 3.8 | 1.1 | 1.3 | 1.18 | 2.18 | 12 | 2.6 | 3.3 | 2.3 | 2.9 | 1.2 | 1.4 | 1.13 | 1.34 | 13 | 2.9 | 4.1 | 2.3 | 3.5 | 1.3 | 2.0 | 1.06 | 1.98 | 14 | 3.1 | 4.7 | 2.0 | 4.2 | 1.4 | 2.3 | 0.91 | 2.07 |
| Min | 0.1 | 0.1 | 0.8 | 0.9 | 0.05 | 0.06 | 0.36 | 0.4 | Max | 3.1 | 4.7 | 2.6 | 4.2 | 1.4 | 2.3 | 1.22 | 2.2 | Mean 1–14 steps | 1.5 | 1.9 | 2.0 | 2.9 | 0.7 | 0.9 | 1.0 | 1.4 | Mean 12–14 steps | 2.9 | 4.0 | 2.2 | 3.5 | 1.3 | 1.9 | 1.0 | 1.8 |
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