A Novel Hybrid Dimension Reduction Technique for Undersized High Dimensional Gene Expression Data Sets Using Information Complexity Criterion for Cancer Classification

Table 1

Benchmark gene expression data sets.

Data set	Reference			Number of groups	Definition of groups
Leukemia	Golub et al. [43]	72	3571	2	Subtypes of leukemia
Colon	Alon et al. [44]	62	2000	2	Tumor/normal tissue
Prostate	Singh et al. [45]	102	6033	2	Tumor/normal tissue
Lymphoma	Alizadeh et al. [46]	62	4026	3	Subtypes of lymphoma
SRBCT	Khan et al. [47]	63	2308	4	Different tumor types
Brain	Pomeroy et al. [48]	42	5597	5	Different tumor types