An improved dimensionality reduction method for meta-transcriptome indexing based diseases classification

BMC Systems Biology

Table 1 Classification ability on pneumonia data in 3-class problem

Method	Error rate		Dimension	Feature number	Note
	On training data	On test data
svm/FMS	0.1895	0.2637	29	129
svm/mRMR	0.2267	0.3103	38	38
svm/KruskalWallis	0.1984	0.3816	107	107
svm/InformationGain	0.2425	0.3684	28	28
svm/χ2 statistic	0.2127	0.4308	125	125
svm	0.2841	0.4017	137	137
kNN/FMS	0.2013	0.3406	112	133	k = 1
kNN/mRMR	0.2635	0.3774	130	130	k = 1
kNN/KruskalWallis	0.2492	0.3795	134	134	k = 1
kNN/InformationGain	0.2635	0.3774	130	130	k = 1
kNN/χ2 statistic	0.2537	0.4128	124	124	k = 1
kNN	0.2635	0.3774	137	137	k = 1

ISSN: 1752-0509