Table 2.

The mean and the Standard deviation of the 10-fold cross-validation error (in percentage) for the different approaches and the cDNA platform datasets employed in the study.

Method	DLBCL	HNSCC	Breast
gene selection	mean ± std	mean ± std	mean ± std
U, SNR, NMC	2.5 ± 2.5 *	21.2 ± 7.1 *	33.0 ± 3.4 *
U, SNR, FLD	15.8 ± 6.4	33.3 ± 6.6	29.9 ± 3.6 *
U, t-test, NMC	2.5 ± 2.5 *	21.2 ± 7.3 *	33.5 ± 3.8 *
U, t-test, FLD	15.8 ± 6.4	36.2 ± 6.2	32.6 ± 3.0 *
BP greedy, FLD	10.0 ± 4.3	36.2 ± 7.0	35.8 ± 2.3
FS, FLD	10.8 ± 3.7	45.4 ± 8.5	35.4 ± 4.2
RFE, FLD	16.7 ± 5.3	35.0 ± 6.3	33.8 ± 3.5
RFE, SVM	15.8 ± 5.2	35.4 ± 7.2	32.6 ± 3.2 *
Liknon	13.3 ± 5.3	37.5 ± 7.4	34.5 ± 5.2
TSP	27.5 ± 2.8	37.6 ± 6.0	49.9 ± 4.6
no gene selection	mean ± std	mean ± std	mean ± std
NMC	6.7 ± 3.5	29.2 ± 7.2	36.7 ± 3.2
FLD	14.2 ± 5.4	32.5 ± 6.6	35.8 ± 4.1
SVM	9.2 ± 3.8	29.6 ± 5.7	34.3 ± 4.2