Research Article
A Roadway Safety Sustainable Approach: Modeling for Real-Time Traffic Crash with Limited Data and Its Reliability Verification
Table 9
Results of the updated high precision data set model.
| | Variable | Before | After | | Mean | Confidence interval | Mean | Confidence interval |
| | Constant | −1.573 | (−1.391, 2.474) | −1.540 | (−1.715, −1.365) | | abs_dif_o | 0.276 | (0.102, 0.456) | 0.267 | (0.148, 0.385) | | up_s | −0.608 | (−0.784, −0.427) | −0.0.494 | (−0.624, −0.364) | | down_dif_v | −0.209 | (−0.387, −0.037) | −0.212 | (−0.387, −0.038) | | up_dif_s | 0.250 | (0.087, 0.405) | 0.236 | (−1.715, −1.365) |
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