sarcelles {ade4} | R Documentation |
Array of Recapture of Rings
Description
The data frame sarcelles$tab
contains the number of the winter teals
(Anas C. Crecca) for which the ring was retrieved in the area i
during the month j (n=3049).
Usage
data(sarcelles)
Format
sarcelles
is a list with the following components:
- tab
a data frame with 14 rows-areas and 12 columns-months
- xy
a data frame with the 2 spatial coordinates of the 14 region centers
- neig
the neighbouring graph between areas, object of the class
neig
- col.names
a vector containing the month items
- nb
a neighborhood object (class
nb
defined in packagespdep
)
Source
Lebreton, J.D. (1973). Etude des déplacements saisonniers des Sarcelles d'hiver, Anas c. crecca L., hivernant en Camargue à l'aide de l'analyse factorielle des correspondances. Compte rendu hebdomadaire des séances de l'Académie des sciences, Paris, D, III, 277, 2417–2420.
Examples
## Not run:
if(!adegraphicsLoaded()) {
# depends of pixmap
if(requireNamespace("pixmap", quietly = TRUE)) {
bkgnd.pnm <- pixmap::read.pnm(system.file("pictures/sarcelles.pnm", package = "ade4"))
data(sarcelles)
par(mfrow = c(4, 3))
for(i in 1:12) {
s.distri(sarcelles$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)
}
par(mfrow = c(1, 1))
}
}
## End(Not run)