sarcelles {ade4}R Documentation

Array of Recapture of Rings

Description

The data frame sarcelles$tab contains the number of the winter teals (Anas C. Crecca) for which the ring was retrieved in the area i during the month j (n=3049)

Usage

data(sarcelles)

Format

sarcelles is a list of 4 components.

    tab
    is a data frame with 14 rows-areas and 12 columns-months.
    xy
    is a data frame with the 2 spatial coordinates of the 14 region centers.
    neig
    is the neighbouring graph between areas, object of the class 'neig'.
    col.names
    is a vector containing the month items

Source

Lebreton, J.D. (1973)
Etude des déplacements saisonniers des Sarcelles d'hiver, Anas c. crecca L., hivernant en Camargue à l'aide de l'analyse factorielle des correspondances.
Compte rendu hebdomadaire des séances de l'Académie des sciences, Paris, D, III, 277, 2417–2420.

Examples

# depends of pixmap
if (require(pixmap, quietly=TRUE)) {
        #bkgnd.pnm <- read.pnm(system.file("pictures/sarcelles.pnm", package = "ade4"))
        data(sarcelles)
        par(mfrow = c(4,3))
        for(i in 1:12) {
    #s.distri(sarcelles$xy, sarcelles$tab[,i], pixmap = bkgnd.pnm, sub = sarcelles$col.names[i], clab = 0, csub = 2)
    s.value(sarcelles$xy, sarcelles$tab[,i], add.plot = TRUE, cleg = 0)
        }
}

[Package Contents]