Description Usage Arguments Details Value Author(s)
Calculate positive and negative associations based on Schoener similarity
1 | plusMinus(x, alpha = 0.05, B = 999)
|
x |
site by species matrix (sites as rows, species as columns, abundances in cells) |
alpha |
the significance level |
B |
number of replicates for the null model permutations |
Faster implementation of the funciton pos.neg.abun.r2d
from ((citation))
that also only returns information relevant to testing the association of abundance and
different types of connectivity (plus and minus).
an ncol(x)
by ncol(x)
matrix of species-species similarities
Andy Rominger <ajrominger@gmail.com>
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.