spaa (version 0.1.2)

niche.overlap.boot: Boostrap of niche overlap

Description

Boostrap of niche overlap between species.

Usage

niche.overlap.boot(mat, method = c("levins", "schoener", "petraitis", "pianka", "czech", "morisita"), times = 999, quant = c(0.025, 0.975))

Arguments

mat

A community data matrix with each column for each species, and each row for each plot.

method

Index of niche overlap.

times

Number of bootstrap to be implemented

quant

Quantile of bootstrap results, the confidence intervals.

Value

• a data frame with each row for each pair of species , the columns are "Observed","Boot mean","Boot std","Boot CI1", "Boot CI2", "times"

Details

To be added.

References

Zhang Jin-tun,(2004 ) Quantitative Ecology, Science Press, Beijing Nicholas J. Gotelli. 2000. Null model analysis of species co-occurrence patterns. Ecology 81:2606-2621. http://esapubs.org/archive/ecol/E081/022/EcoSim

See Also

niche.overlap.boot.pair

Examples

data(datasample)
niche.overlap.boot(datasample[,1:4], method = "levins")