Sim5: Gotelli's Sim5 Function

In jfq3/QsNullModels: My null model functions

Description

Randomizes a matrix m by reshuffling elements within each column. Sampling weights for each row are proportional to row sums.

Usage

Sim5(m)

Arguments

m	A binary community matrix.

Value

A binary matrix randomized by columns of the same dimensions as the input matrix.

Author(s)

Nicholas J. Gotelli. Help edited by John Quensen.

References

Gotelli, N. J. 2000. Null model analysis of species co-occurrence patterns. Ecology 81:2606-2621.

Examples

m <- sample(c(1,0), 50, replace=TRUE)
m <- matrix(m, 5, 10)
random.m <- Sim5(m)

jfq3/QsNullModels documentation built on April 6, 2020, 2:06 p.m.