Table 1.

The average MCCs obtained by different classifiers at different taxonomic levels with k = 4, 6, and 8.

Level	k	CNN	DBN	RDP	BLAST
Species	4	0.8093	0.7331	0.7146	0.8093
	6	0.8284	0.8040	0.7145	0.8112
	8	0.8394	0.8056	0.7185	0.8086
Genus	4	0.9007	0.8828	0.8588	0.8931
	6	0.9157	0.9010	0.8555	0.8917
	8	0.9249	0.9159	0.8550	0.8925
Family	4	0.9172	0.9176	0.8567	0.9387
	6	0.9374	0.9343	0.8579	0.9360
	8	0.9438	0.9446	0.8602	0.9350
Order	4	0.9672	0.9683	0.9466	0.9575
	6	0.9716	0.9708	0.9497	0.9630
	8	0.9757	0.9753	0.9460	0.9531
Class	4	0.9853	0.9889	0.9753	0.9801
	6	0.9934	0.9889	0.9729	0.9792
	8	0.9934	0.9934	0.9716	0.9811

The highest average MCCs for each k at all taxonomic levels are highlighted in bold.