Simple and flexible classification of gene expression microarrays via Swirls and Ripples

BMC Bioinformatics

Table 6 Genes most frequently selected in data sets.

		Gene
Data set	Feature selection	j	Description	Fraction of splits
Colon cancer	Greedy	249	desmin	0.17
		493	myosin heavy chain	0.15
		1772	collagen alpha 2	0.12
	Wrapper	249	desmin	0.13
		1772	collagen alpha 2	0.08
		1582	p cadherin	0.06
Leukemia 1	Greedy	4847	zxyin	0.46
		6855	TCF3 transcription factor 3	0.17
		1834	CD33 antigen	0.17
	Wrapper	4847	zxyin	0.22
		3252	glutathione S-transferase	0.16
		6855	TCF3 transcription factor 3	0.11
Medulloblastoma	Greedy	5585	drebrin E	0.05
		4174	COL6A2 collagen type IV alpha 2	0.04
		3185	pancreatic beta cell growth factor	0.04
	Wrapper	2426	prostaglandin D2 synthase	0.04
		4710	acylphosphatase isozyme	0.03
		3185	pancreatic beta cell growth factor	0.03
Prostate cancer	Greedy	6185	serine protease hepsin	0.70
		8965	mitochondrial matrix protein P1	0.09
		10494	mRNA, ne1-related protein P1	0.07
	Wrapper	6185	serine protease hepsin	0.31
		8965	mitochondrial matrix protein P1	0.09
		4365	T-cell receptor Ti gamma chain	0.07
Leukemia 2	Greedy	8828	HLA class II alpha chain-like	0.59
		9101	MHC class II lymphocyte antigen	0.23
		2610	mRNA for oct-binding factor	0.13
	Wrapper	8828	HLA class II alpha chain-like	0.41
		9101	MHC class II lymphocyte antigen	0.20
		2610	mRNA for oct-binding factor	0.17

ISSN: 1471-2105