atya {ade4} | R Documentation |
This data set contains information about genetic variability of Atya innocous and Atya scabra in Guadeloupe (France).
data(atya)
atya
is a list with the following components:
a data frame with the coordinates of the 31 sites
a data frame with 22 variables collected on 31 sites
an object of class neig
a neighborhood object (class nb
defined in package spdep
)
Fievet, E., Eppe, F. and Dolédec, S. (2001) Etude de la variabilité morphométrique et génétique des populations de Cacadors (Atya innocous et Atya scabra) de l'île de Basse-Terre. Direction Régionale de L'Environnement Guadeloupe, Laboratoire des hydrosystèmes fluviaux, Université Lyon 1.
## Not run:
data(atya)
if(requireNamespace("pixmap", quietly = TRUE)) {
atya.digi <- pixmap::read.pnm(system.file("pictures/atyadigi.pnm",
package = "ade4"))
atya.carto <- pixmap::read.pnm(system.file("pictures/atyacarto.pnm",
package = "ade4"))
par(mfrow = c(1, 2))
pixmap:::plot(atya.digi)
pixmap:::plot(atya.carto)
points(atya$xy, pch = 20, cex = 2)
}
if(requireNamespace("spdep", quietly = TRUE)) {
plot(neig2nb(atya$neig), atya$xy, col = "red", add = TRUE, lwd = 2)
par(mfrow = c(1,1))
}
## End(Not run)