atya {ade4}R Documentation

Genetic variability of Cacadors

Description

This data set contains information about genetic variability of Atya innocous and Atya scabra in Guadeloupe (France).

Usage

data(atya)

Format

atya is a list with the following objects :

xy
: a data frame with the coordinates of the 31 sites
gen
: a data frame with 22 variables collected on 31 sites
neig
: an object of class neig

Source

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.

Examples

## Not run: 
data(atya)
if (require(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$xy, pch = 20, cex = 2)
}
if (require(maptools, quiet = TRUE) & require(spdep, quiet = TRUE)) {
    plot(neig2nb(atya$neig), atya$xy, col = "red", add = TRUE, lwd = 2)
    par(mfrow = c(1,1))
}

## End(Not run)

Worked out examples


> library(ade4)
> ### Name: atya
> ### Title: Genetic variability of Cacadors
> ### Aliases: atya
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(atya)
> if (require(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$xy, pch = 20, cex = 2)
+ }
> if (require(maptools, quiet = TRUE) & require(spdep, quiet = TRUE)) {
+     plot(neig2nb(atya$neig), atya$xy, col = "red", add = TRUE, lwd = 2)
+     par(mfrow = c(1,1))
+ }
deldir 0.0-12 

     Please note: The process for determining duplicated points
     has changed from that used in version 0.0-9 (and previously).

> 
> 
> 
> 

[Package ade4 Index]