Constructing a Phenogram
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چکیده
Numerical phenetic methods organize taxa (operational taxonomic units, or OTUs) into groups based on overall similarity. OTUs are grouped in such a way that there is a higher degree of similarity within groups than between groups. That is, two OTUs within a group share more character states than do two OTUs in different groups. The least inclusive (smallest) groups represent the highest level of similarity. Successively more inclusive groups share successively fewer character states, and the most inclusive group is the most heterogeneous, including all the OTUs in the study.
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