Unsupervised Two-Way Clustering of Metagenomic Sequences

Table 4

Performance of Poisson mixture model (without word grouping) on datasets across various taxonomic ranks. Each dataset contains 50,000 reads of length 500 bp. AR stands for abundance ratio.

Species	AR	Rank	Accuracy (%)
M. hyopneumoniae, M. mycoides	3 : 2	Genus	95.73
M. avium, M. leprae	3 : 4	Genus	94.22
A. vinelandii, C. japonicus	1 : 1	Family	92.81
M. leprae, S. erythraea	1 : 1	Order	95.58
B. pertussis, N. gonorrhoeae	1 : 2	Class	97.52
A. parvulum, S. erythraea	5 : 1	Class	99.64
R. prowazekii, S. meliloti	3 : 1	Class	99.91