A Hybrid Algorithm of Traffic Accident Data Mining on Cause Analysis

Table 3

Graded severity of accident in relation to importance.

Attribute value	The average weight by expert	The degree of importance of associated regulation	The checking result; α = 0.025; t = 2.3646
Common bending	0.163	0.083	Zero difference
Sharp turn	0.138	0.099	Zero difference
Common bending slope	0.053	0.145	Different
Sharp turn abrupt slope	0.159	0.151	Zero difference
Common slope sharp turn	0.102	0.171	Zero difference
Common bending abrupt slope	0.052	0.351	Zero difference