corvus {ade4} | R Documentation |
This data set gives a morphological description of 28 species of the genus Corvus split in two habitat types and phylogeographic stocks.
data(corvus)
corvus
is data frame with 28 observations (the species) and 4 variables :
: wing length (mm)
: bill length (mm)
: habitat with two levels clos
and open
: phylogeographic stock with three levels amer
(America), orien
(Oriental-Australian),
pale
(Paleoarctic-African)
Laiolo, P. and Rolando, A. (2003) The evolution of vocalisations in the genus Corvus: effects of phylogeny, morphology and habitat. Evolutionary Ecology, 17, 111–123.
data(corvus) if(adegraphicsLoaded()) { g1 <- s.label(corvus[, 1:2], plab.cex = 0, pori.incl = FALSE, pgrid.draw = F, paxes.draw = T, paxes.asp = "full", xlab = names(corvus)[2], ylab = names(corvus)[2], plot = FALSE) g2 <- s.class(corvus[, 1:2], corvus[, 4]:corvus[, 3], plot = FALSE) G <- superpose(g1, g2, plot = TRUE) } else { plot(corvus[, 1:2]) s.class(corvus[, 1:2], corvus[, 4]:corvus[, 3], add.p = TRUE) }