Additional file 6.

Table S4 - 10% of the taxonomy was either resampled or the samples were jackniffed to 54 samples. This was repeated 500 times under 5 clustering conditions using pam clustering and the taxonomic level as indicated. The optimal cluster number in these 500 resamplings is shown in the tables. Abbrevations: CH, Calinski-Harabasz pseudo F-statistic; SIL, Silhouette internal cluster.

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Hildebrand et al. Genome Biology 2013 14:R4   doi:10.1186/gb-2013-14-1-r4