Table 18 The number of unique k-mers in the class-level databases extracted from the primary dataset (for k=24) after filtering infrequent k-mers (with ci=4) from (i) sample-level databases and (ii) class-level databases
From: Environmental metagenome classification for constructing a microbiome fingerprint
Class name | Class-level filtering | Sample-level filtering |
|---|---|---|
Chile, Santiago | 3,330,241,847 | 1,947,678,404 |
Japan, Tokyo | 6,179,603,359 | 3,436,570,406 |
New Zealand, Auckland | 586,168,771 | 567,504,772 |
New Zealand, Hamilton | 897,549,433 | 845,417,208 |
Nigeria, Offa | 3,293,428,857 | 2,833,690,965 |
Portugal, Porto | 3,793,750,265 | 3,108,855,323 |
USA, New York | 7,413,034,106 | 4,252,342,215 |
USA, Sacramento | 2,413,540,643 | 599,036,464 |