A Novel Approach of Rough Conditional Entropy-Based Attribute Selection for Incomplete Decision System

Table 4

Size of selected attribute subsets and running time.

Data sets	Breadth-first		Depth-first		LVF			Full attr.
	Size	Time (s)	Size	Time (s)	Size	Time (s)	MaxTries	Size
Lung cancer	4	227.59	4	0.68	5	7.34	10000	56
Large soybean	N/A	>5000	14	80.99	23	806.38	5000	35
Dermatology	N/A	>5000	6	58.22	11	44.83	200	34
Breast cancer	5	367.37	5	51.59	5	91.29	100	10
Credit	N/A	>5000	7	89.94	9	90.75	100	15
Hepatitis	5	349.07	6	6.07	6	35.22	500	19