Research Article
Developing Roadway Safety Models for Winter Weather Conditions Using a Feature Selection Algorithm
| Coefficients | Estimate | Std. | Error | value | Pr (>|t|) |
| (Intercept) | −17.58 | 4.36 | −4.03 | 0.00 | | LnExposure | 1.42 | 0.60 | 2.35 | 0.02 | | RoadCondition | 0.59 | 0.68 | 0.87 | 0.39 | | WorstSnow | 5.38 | 1.33 | 4.05 | 0.00 | | WorstVisibility | 0.21 | 0.15 | 1.36 | 0.18 | | AVLRecords | 0.04 | 0.01 | 4.85 | 0.00 | | Solid_PLM_Minute | 21.87 | 9.07 | 2.41 | 0.02 | | Solid_PLM_MinuteBefore | −11.90 | 3.81 | −3.12 | 0.00 | | AfterRecords | 0.03 | 0.01 | 1.96 | 0.05 | · |
| R-squared | 0.4359 | F-statistic | 18.35 on 8 and 190 DF |
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Significance codes: 0 “ ”; 0.001 “ ”; 0.01 “ ”; 0.05 “·”. |