Table 1.

Microarray gene expression datasets used in the experiment

Dataset name	Diagnostic task	Biological category (number of samples in the category)	Number of classes/ selected genes	Source
SRBCTs	Small round blue cell tumours	Ewing sarcoma (29), burkitt lymphoma (11), neuroblastoma (18), and rhabdomyosarcoma (25)	4/60	(38)
Multiclass Cancer	Multiple human tumour types	Prostate cancer (10), breast cancer (12), kidney cancer (10), and lung cancer (17)	4/7	(39)
Lung Cancer	Lung cancer sub-types and normal tissues	Adenocarcinomas (16), normal lung (17), squamous cell lung carcinomas (21), and pulmonary carcinoids (20)	4/13	(40)
UM Cancer	Classification of multiple human cancer types	Brain cancer (73), colon cancer (60), lung cancer (91), ovary cancer (119, including 6 uterine cancer samples)	4/8	(41)
Ovarian Cancer	Ovarian cancer sub-types and clear cell	Ovarian serous (29), ovarian mucinous (10), ovarian endometrioid (36), and clear ovarian cell (9)	4/25	(42, 43)
MMM-Cancer 1	Human cancer data from multi-platforms and multi-sites	Breast cancer (22), central-nervous meduloblastoma (57), lung-squamous cell carcinoma (20), and prostate cancer (39)	4/15	(44)
MMM-Cancer 2	Human cancer data obtained multi-platforms and multi-sites	Central-nervous glioma (10), lung-adenocarcinoma (58), lung-squamous cell carcinoma (21), lymphoma-large B cell (11), and prostate cancer (41)	5/20	(44)