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)

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