Table 2.

Discrimination success rate and performance using the kmer-based method at different Kmer sizes

Size of Kmer	Discrimination success rate	Performance (cpu time cost : mS)
2	0.761	95.3
3	0.775	390.4
4	0.795	1564.2
5	0.823	5060.4
6	0.813	19007.1
7	0.611	74949.3

The test data is the same as those shown in Table 1.