atya: Genetic variability of Cacadors

In ade4: Analysis of Ecological Data : Exploratory and Euclidean Methods in Environmental Sciences

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 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.

Examples

## 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)

ade4 documentation built on May 2, 2019, 5:50 p.m.