Research Article
Predicting Freeway Traffic Crash Severity Using XGBoost-Bayesian Network Model with Consideration of Features Interaction
Table 5
The effect of weather and road alignment on the crash severity.
| Road alignment | Weather | Property loss crash | Injury crash | Fatal crash |
| Straight | Sunny | 0.0068 | 0.3930 | 0.6002 | Overcast | 0.0280 | 0.4259 | 0.5461 | Rainy | 0.0030 | 0.3892 | 0.6077 | Snowy | 0.0014 | 0.3900 | 0.6086 | Foggy | 0.0455 | 0.4528 | 0.5018 |
| Nonstraight | Sunny | 0.0021 | 0.4895 | 0.5084 | Overcast | 0.0145 | 0.4944 | 0.4911 | Rainy | 0.0049 | 0.4830 | 0.5121 | Snowy | 0.0146 | 0.4665 | 0.5190 | Foggy | 0.0597 | 0.5158 | 0.4245 |
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