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Compute a rarefaction curve

Source: R/ec_rarefaction.R
ec_rarefaction.Rd

Compute a rarefaction curve based on a presence-absence matrix.

Usage

ec_rarefaction(x, nrep = 100)

Arguments

x

presence absence matrix (sites as rows and species as columns).

nrep

number of replicates.

Value

A matrix with rarefaction replicates as rows.

References

  • Gotelli, N. J., and Robert K. C.. Quantifying Biodiversity: Procedures and Pitfalls in the Measurement and Comparison of Species Richness. Ecology Letters (2001).

Examples

mat <- ec_generate_pa(20, 10, .4)
res <- ec_rarefaction(mat, 1000)
plot(apply(res, 1, mean))