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

    ## Not run:
    # 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)
        }
    }
    ## End(Not run)

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