Table 1.

Detailed information of the test datasets

Data set	Study	No. of samples	No. of sequences	Platform
Data set 1	Lax et al., Sci. Trans. Med., 2017 [25]	894	39,192,961	Illumina
Data set 2	Hacquard et al., Cell Host & Microbe, 2015 [26]	2556	223,845,875	Illumina and Roche 454
Data set 3	American Gut Project [5]	14,000	478,917,759	Illumina