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Table 1 Fractions of unclassified (FNR or false-negative rate), percent correctly classified (TPR or true-positive rate), and percent misclassified (FPR or false-positive rate.) simulated reads from ten genomes using Kraken against different versions of bacterial RefSeq

From: RefSeq database growth influences the accuracy of k-mer-based lowest common ancestor species identification

    Genus Species
Release Date FNR TPR FPR TPR FPR
1 2003-06-30 0.62 0.38 0.00 0.29 0.08
10 2005-03-06 0.53 0.46 0.01 0.38 0.07
20 2006-11-05 0.49 0.49 0.01 0.40 0.08
30 2008-07-07 0.25 0.74 0.00 0.60 0.07
40 2010-05-07 0.22 0.77 0.00 0.54 0.08
50 2011-11-08 0.21 0.78 0.01 0.52 0.07
60 2013-07-19 0.03 0.96 0.00 0.57 0.09
70 2016-03-03 0.03 0.95 0.01 0.42 0.09
80 2017-01-09 0.03 0.94 0.01 0.28 0.08