Research Article
Speeding Violation Type Prediction Based on Decision Tree Method: A Case Study in Wujiang, China
Table 1
Descriptive statistics of the speeding violation samples (N=53283).
| Factor | N (%) | Factor | N (%) |
| Vehicle type | | 7:00-8:59 (1) | 1156 (2.18%) | Truck (0) | 25(0.05%) | 9:00-11:59 (2) | 43310 (81.29%) | Car (1) | 52783 (99.95%) | 12:00-16:59(3) | 8683 (16.30%) | License plate | | 17:00-19:59(4) | 8 (0.00%) | Local license plate (0) | 44446 (83.40%) | 20:00-23:59(5) | 103 (0.19%) | Foreign license plate (1) | 8837 (16.60%) | Speeding area | | Standard speed limits (km/h) | | Fenhu (0) | 373 (0.70%) | 40 (0) | 2(0.00%) | Songling (1) | 49780 (93.43%) | 60 (1) | 2 (0.00%) | Lili (2) | 3106 (5.83 %) | 70 (2) | 24042(45.12%) | Taoyuan (3) | 24 (0.05%) | 80 (3) | 26652(50.02%) | Position | | 90 (4) | 1451(2.72%) | Country road (0) | 5484 (10.29%) | 100 (5) | 1134 (2.14%) | Urban road (1) | 37209 (69.83%) | Season | | Intersection (2) | 3658 (6.87%) | Spring (0) | 24677 (46.32%) | POI (3) | 6932 (13.01%) | Summer (1) | 10755 (20.18%) | Rainfall | | Autumn (2) | 10274 (19.28%) | No rain (0) | 48519 (91.06%) | Winter (3) | 7577 (14.22%) | Light rain (1) | 4461 (8.38%) | Week | | Moderate rain (2) | 269(0.50%) | Weekday (0) | 39477 (73.70%) | Heavy rain (3) | 34 (0.06%) | Weekend (1) | 13806 (26.30%) | Speeding type | | Time of day | | Type 1 (0) | 46757(87.75%) | 0:00-6:59 (0) | 23 (0.04%) | Type 2 (1) | 6526 (12.25%) |
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