corvus {ade4}R Documentation

Corvus morphology

Description

This data set gives a morphological description of 28 species of the genus Corvus split in two habitat types and phylogeographic stocks.

Usage

data(corvus)

Format

corvus is data frame with 28 observations (the species) and 4 variables :

wing
: wing length (cm)
bill
: bill length (cm)
habitat
: habitat with two levels clos and open
phylog
: phylogeographic stock with three levels amer(America), orien(Oriental-Australian), pale(Paleoarctic-African)

References

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.

Examples

data(corvus)
plot(corvus[,1:2])
s.class(corvus[,1:2], corvus[,4]:corvus[,3], add.p = TRUE)

Worked out examples


> library(ade4)
> ### Name: corvus
> ### Title: Corvus morphology
> ### Aliases: corvus
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(corvus)
> plot(corvus[,1:2])
> s.class(corvus[,1:2], corvus[,4]:corvus[,3], add.p = TRUE)
> 
> 
> 
> 

[Package ade4 Index]