Table 4.

The number of genes selected by the four algorithms on the four gene expression datasets.

Datasets	ACO	ACO-S	AM	RFACO-GS
Colon cancer	111	69	130	9
Leukemia	105	84	100	18
Lung	163	132	144	16
Brain	129	87	111	10
Average	127	93	121.25	13.25