treebut

This phylogenetic tree has been created based on known phylogeny of butterflies at family and subfamily level and on COI sequences at genus and species level. Branch lenghts have been calculated by Graphen method

datasets

Beta-diversity indices provide dissimilarity matrices with particular distribution of data requiring specific treatment. For example the high frequency of ties and zero values in turnover indices produces hierarchical cluster dendrograms whose topology and bootstrap supports are affected by the order of rows in the original matrix. Moreover, biogeographical regionalization can be facilitated by a combination of hierarchical clustering and multi-dimensional scaling. The recluster package provides robust techniques to analyze pattern of similarity in species composition.

Leonardo Dapporto

recluster

Ordination Methods for the Analysis of Beta-Diversity Indices

treebut function

Dapporto L., Ramazzotti M., Fattorini S., Vila R., Talavera G., Dennis R. 
"recluster: an unbiased clustering procedure for beta-diversity turnover"
XXXX (2013), XXX:XXX.
<url>www.unifi.it/scibio/bioinfo/recluster.html</url>

treebut: Phylogenetic tree for the butterfly species included in dataisl dataset

Description

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source

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