plusMinus: Positive and negative associations

Description Usage Arguments Details Value Author(s)

View source: R/plusMinus.R

Description

Calculate positive and negative associations based on Schoener similarity

Usage

1
plusMinus(x, alpha = 0.05, B = 999)

Arguments

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

Details

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).

Value

an ncol(x) by ncol(x) matrix of species-species similarities

Author(s)

Andy Rominger <ajrominger@gmail.com>


ajrominger/RarePlusComMinus documentation built on June 27, 2021, 9:25 p.m.