species.dist {picante} | R Documentation |
Species co-occurrence distances
Description
Compute interspecific distances based on patterns of species co-occurrence in communities.
Usage
species.dist(x, metric = c("cij", "jaccard", "checkerboard", "doij"))
Arguments
x |
Community data matrix |
metric |
Co-occurrence metric to use (see Details section for description) |
Details
Currently implemented co-occurrence measures (arguments to metric):
- cij
Schoener's index of co-occurrence
- jaccard
Jaccard index of co-occurrence
- checkerboard
Checkerboard index of co-occurrence
- doij
DOij index of co-occurrence
Value
A dist
object with co-occurrences among all species pairs
Author(s)
Steven Kembel <steve.kembel@gmail.com>
References
Hardy, O.J. 2008. Testing the spatial phylogenetic structure of local communities: statistical performances of different null models and test statistics on a locally neutral community. Journal of Ecology 96:914-926.
See Also
[Package picante version 1.8.2 Index]