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 objects :
: 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
Fievet, E., Eppe, F. and Dol?dec, S. (2001) Etude de la variabilit? morphom?trique et g?n?tique des populations de Cacadors (Atya innocous et Atya scabra) de l'?le de Basse-Terre. Direction R?gionale de L'Environnement Guadeloupe, Laboratoire des hydrosyst?mes fluviaux, Universit? Lyon 1.
## Not run: data(atya) if(requireNamespace("pixmap", quiet = TRUE)) { atya.digi <- read.pnm(system.file("pictures/atyadigi.pnm", package = "ade4")) atya.carto <- read.pnm(system.file("pictures/atyacarto.pnm", package = "ade4")) par(mfrow = c(1,2)) plot(atya.digi) plot(atya.carto) points(atya$xy, pch = 20, cex = 2) } if(requireNamespace("maptools", quiet = TRUE) & requireNamespace("spdep", quiet = TRUE)) { plot(neig2nb(atya$neig), atya$xy, col = "red", add = TRUE, lwd = 2) par(mfrow = c(1,1)) } ## End(Not run)