ade4 (version 1.01)

atlas: Small Ecological Dataset

Description

atlas is a list containing three kinds of information about 23 regions : geographical coordinates, meteorology and bird presences.

Usage

data(atlas)

source

Extract from Lebreton, Ph. (1977) Les oiseaux nicheurs rhonalpins. Atlas ornithologique Rhone-Alpes. Centre Ornithologique Rhone-Alpes, Universit� Lyon 1, 69621 Villeurbanne. Direction de la Protection de la Nature, Minist"re de la Qualit� de la Vie. 1--354.

Examples

data(atlas)
op <- par(no.readonly = TRUE) 
par(mfrow = c(2,2))
area.plot(atlas$area, cpoin = 1.5)
area.plot(atlas$area, lab = atlas$names.district, clab = 1)
x <- atlas$meteo$mini.jan

names(x) <- row.names(atlas$meteo)
area.plot(atlas$area, val = x, ncl = 12, sub = "Temp Mini January", 
    csub = 2, cleg = 1)
s.corcircle((dudi.pca(atlas$meteo, scann = FALSE)$co), 
    clab = 1)

area.plot(atlas$area, val = dudi.pca(atlas$meteo,scann=FALSE)$li[,1], 
    ncl = 12, sub = "Principal Component Analysis analysis", csub = 1.5, 
    cleg = 1)
birds.coa <- dudi.coa(atlas$birds, sca = FALSE, nf = 1)
x <- birds.coa$li$Axis1
area.plot(atlas$area, val = x, ncl = 12, 
    sub = "Correspondence analysis", csub = 1.5, cleg = 1)

s.value(atlas$xy, x, contour = atlas$contour, csi = 2, 
    incl = FALSE, addax = FALSE)
triangle.plot(atlas$alti)
par(op)