ade4 (version 1.2-2)

avimedi: Fauna Table for Constrained Ordinations

Description

avimedi is a list containing the informations about 302 sites : frequencies of 51 bird species ; two factors (habitats and Mediterranean origin).

Usage

data(avimedi)

source

Blondel, J., Chessel, D., & Frochot, B. (1988) Bird species impoverishment, niche expansion, and density inflation in mediterranean island habitats. Ecology, 69, 1899--1917.

Examples

data(avimedi)
par(mfrow = c(2,2))
coa1 <- dudi.coa(avimedi$fau, scan = FALSE, nf = 3)
s.class(coa1$li,avimedi$plan$str:avimedi$plan$reg,
    sub = "Correspondences Analysis")
bet1 <- between(coa1, avimedi$plan$str, scan = FALSE)
s.class(bet1$ls, avimedi$plan$str,
    sub = "Between Analysis")
wit1 <- within(coa1, avimedi$plan$reg, scan=FALSE)
s.class(wit1$li, avimedi$plan$str,
    sub = "Within Analysis")
pcaiv1 <- pcaiv(coa1, avimedi$plan, scan = FALSE)
s.match(pcaiv1$li, pcaiv1$ls, clab = 0,
    sub = "Canonical Correspondences Analysis")
s.class(pcaiv1$li, avimedi$plan$str:avimedi$plan$reg, 
    add.plot = TRUE)
par(mfrow=c(1,1))