Table 3.

Cophenetic correlations of unweighted pair-group method using arithmetric averages (UPGMA) clustering dendrograms

Cophenetic matrix of UPGMA clustering with
Similarity index usedTaxonomy bins- (at 80%) based distance matrixTaxonomy bins- (at 50%) based distance matrixTaxonomy bins- (at 0%) based distance matrix
Cophenetic matrix of UPGMA clustering with 97% OTU-based distance matrixChao's adjusted
Sørensen0.7480.7090.694
Jaccard0.8160.8390.907
  • Cophenetic correlation was computed using Spearman's rank from two matrices of cophenetic distance, which is the distance where two samples became the same group in the clustering dendrogram. Higher cophenetic correlation means the UPGMA clustering dendrograms are more similar.