Random KNN feature selection - a fast and stable alternative to Random Forests

BMC Bioinformatics

Table 9 Execution time comparison, Group I

Dataset	p* c/n	Time (min)			Ratio
		RF	R1NN	R3NN	RF/R1NN	RF/R3NN
Ramaswamy	1267	22335	4262	4324	5.2	5.2
Staunton	859	3310	744	753	4.4	4.4
Nutt	829	176	195	195	0.9	0.9
Su	792	3592	1284	1279	2.8	2.8
NCI	688	142	177	178	0.8	0.8
Brain	666	92	124	125	0.7	0.7
Armstrong	468	327	301	297	1.1	1.1
Pomeroy	329	296	319	320	0.9	0.9
Bhattacharjee	310	4544	1725	1733	2.6	2.6
Adenocarcinoma	260	274	272	273	1.0	1.0
Golub	222	160	224	224	0.7	0.7
Singh	206	646	503	498	1.3	1.3
Total		35894	10130	10199	3.54	3.52

ISSN: 1471-2105