Table 1.

Data sets used for classification analysis.

Cancer site	Classes	Samples	Features	Reference
Brain	2	60 (21 censored, 39 failures)	7,129	Pomeroy et al[12]
Prostate	2	102 (52 tumor, 50 normal)	12,600	Singh et al[13]
Breast	2	15 (8 BRCA1, 7 BRCA2)	3,170	Hedenfalk et al. [14]
Breast	2	78 (34 relapse, 44 non-relapse)	24,481	van ’t Veer et al[15]
Colon	2	62 (40 negative, 22 positive)	2,000	Alon et al[16]
Lung	2	32 (16 MPM, 16 ADCA)	12,533	Gordon et al[20]
Leukemia	2	38 (27 ALL, 11 AML)	7,129	Golub et al [21]
Leukemia	3	57 (20 ALL, 17 MLL, 20 AML)	12,582	Armstrong et al[22]
SRBCT	4	63 (23 EWS, 8 BL, 12 NB, 20 RMS)	2,308	Khan et al[23]