Table 3.

Comparison of C4.5 classification accuracy.

Verification times	Small risk %	Less risky %	Risky %	High risk %
1	72.58	65.35	6.31	35.59
2	73.36	66.78	62.19	37.12
3	74.55	66.52	66.37	34.39
4	73.98	65.35	62.98	42.86
5	75.91	66.29	63.28	33.98
Average	74.01	66.22	62.58	36.59