Table 4.

Selected gene number and classification accuracy of three algorithms on different data sets.

	RF		SNRRF		FLD-NRS
Data set	m	Acc	m	Acc	m	Acc
Colon	2000	0.848	72	0.875	6	0.880
Leukemia	7129	0.902	26	0.948	5	0.828
Lung	2880	0.864	10	0.899	3	0.889
Prostate	12600	0.925	49	0.931	4	0.800
Time complexity	O(kTK(logK)2)		O(kTK(logK)2)		O(MTKlogK)