The ade4 Package - NexTag Supports Open Source Initiatives

atlas 25
par(mfrow = c(1,1))
all(dist.taxo(tax)==tax.phy$Wdist)
atlas
Small Ecological Dataset
Description
Usage
Format
Source
atlas is a list containing three kinds of information about 23 regions (The French Alps) :
geographical coordinates, meteorology and bird presences.
data(atlas)
This list contains the following objects:
area is a convex hull of 23 geographical regions.
xy are the coordinates of the region centers and altitude (in meters).
names.district is a vector of region names.
meteo is a data frame with 7 variables: min and max temperature in january; min and max temperature
in july; january, july and total rainfalls.
birds is a data frame with 15 variables (species).
alti is a data frame with 3 variables altitude in percentage [0,800], ]800,1500] and ]1500,5000].
Extract from:
Lebreton, Ph. (1977) Les oiseaux nicheurs rhonalpins. Atlas ornithologique Rhone-Alpes. Centre
Ornithologique Rhone-Alpes, Université Lyon 1, 69621 Villeurbanne. Direction de la Protection de
la Nature, Ministère de la Qualité de la Vie. 1–354.
Examples
data(atlas)
op