This R package applies the probabilistic model of species cooccurrence (Veech 2013) to a set of species distributed among a set of survey or sampling sites. The algorithm calculates the observed and expected frequencies of cooccurrence between each pair of species. The expected frequency is based on the distribution of each species being random and independent of the other species. The analysis returns the probabilities that a more extreme (either low or high) value of cooccurrence could have been obtained by chance. The package also includes functions for visualizing species cooccurrence results and preparing data for downstream analyses.
Package details 


Author  Daniel M. Griffith, Joseph A. Veech, and Charles J. Marsh 
Date of publication  20160209 20:53:56 
Maintainer  Daniel M. Griffith <[email protected]> 
License  GPL2 
Version  1.3 
Package repository  View on CRAN 
Installation 
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