prabclus: lcomponent – R documentation

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lcomponent

Largest connectivity component

Description

Computes the size of the largest connectivity component of the graph of ncol(distmat) vertices with edges defined by the smallest ne distances.

Usage

lcomponent(distmat, ne = floor(3*ncol(distmat)/4))

Arguments

`distmat`	symmetric distance matrix.
`ne`	integer.

Value

list with components

`lc`	size of the largest connectivity component.
`ne`	see above.

Author(s)

Christian Hennig christian.hennig@unibo.it https://www.unibo.it/sitoweb/christian.hennig/en

References

Hennig, C. and Hausdorf, B. (2004) Distance-based parametric bootstrap tests for clustering of species ranges. Computational Statistics and Data Analysis 45, 875-896.

Examples

data(kykladspecreg)
j <- jaccard(t(kykladspecreg))
lcomponent(j)

prabclus

Functions for Clustering and Testing of Presence-Absence, Abundance and Multilocus Genetic Data

v2.3-2

GPL

Authors

Christian Hennig <christian.hennig@unibo.it>, Bernhard Hausdorf <Hausdorf@zoologie.uni-hamburg.de>

Initial release

2020-01-06