Table 2.

Dimensions of all datasets with different methods.

Dimension	ALLAML	GLI_85	Prostate_GE	SMK_CAN_187	Colon	Leukemia
ELM	7130	22284	5967	19994	2001	7071
CHSAE	1026	192	1354	1867	28	1250
INFORGAE	2432	3562	2451	1727	220	1321
RFAE	5898	16780	4514	12525	1320	5569
PSO	3674.1 ± 1816.1	12456.5 ± 6205.8	2018.9 ± 1742.6	9505.2 ± 7589.8	1025.8 ± 687.3	2526.9 ± 2057.1
BPSO	3674.1 ± 566.5	12456.5 ± 5619.5	2018.9 ± 2258.6	9505.2 ± 5127.3	1025.8 ± 479.1	2526.9 ± 2339.6
WSA	3925.7 ± 3401.21	11174.3 ± 7988.38	2816.6 ± 2866.1	6406.4 ± 8237.1	1823.1 ± 368.3	5365.1 ± 2900.9
EBWSA	1098.4 ± 2179.4	8267.2 ± 5777.9	43.2 ± 59.4	25.3 ± 22.6	818.4 ± 554.6	972.5 ± 1554.1