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Table 2 Classification statistics with clade exclusion for Kraken on the simBA-5 metagenome

From: Kraken: ultrafast metagenomic sequence classification using exact alignments

Measured rank Excluded rank
Species Genus Family Order Class Phylum
Kingdom 100/24.4/24.4 100/7.9/7.9 100/2.8/2.8 100/2.3/2.3 100/1.5/1.5 100/1.1/1.1
Phylum 99.9/23.9/24.5 99.6/7.2/7.9 98.7/2.5/2.8 98.0/1.6/2.4 96.8/1.2/1.7
Class 99.7/24.7/25.3 99.1/7.1/7.9 96.7/2.0/3.0 93.2/1.0/2.3
Order 99.7/24.1/25.3 98.9/6.8/8.5 96.4/2.0/3.4
Family 99.7/25.4/26.7 98.5/8.5/10.8
Genus 99.2/26.3/33.2
  1. For each measured rank, Kraken’s rank-level precision, sensitivity and classification percentage are shown. Classification percentage is defined here as the percentage of reads with taxonomic entries at both the measured and excluded ranks that were classified by Kraken with the clade of origin excluded.