Research Article
A Hybrid Algorithm of Traffic Accident Data Mining on Cause Analysis
Table 1
Coding schedule of attributes on road condition.
| The name of attributes |
Coding of association rule | Attribute value | Coding |
| | Intact | 1 | | In construction | 2 | Road surface condition | Concave-convex | 3 | Collapsed | 4 | | Roadblock | 5 | | Others | 6 |
| | Not separated | 1 | Road physical separation | Median separated | 2 | Separated between vehicles and nonvehicles | 3 | | and | 4 |
| | Straight line | 1 | | Common turn | 21 | | Sharp turn | 22 | | Common slope | 31 | Road alignment | Steep slope | 32 | Continuous downward slope | 33 | | Regular slope | 41 | | Sharp turn and steep slope | 42 | | Regular slope turn | 51 | | Regular turn slope | 52 |
| | Guard rail | 1 | | Barrier wall | 2 | Roadside safeguarding types | Barrier barrel | 3 | | Others | 4 | | None | 5 |
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