maples {ade4} | R Documentation

## Phylogeny and quantitative traits of flowers

### Description

This data set describes the phylogeny of 17 flowers as reported by Ackerly and Donoghue (1998). It also gives 31 traits corresponding to these 17 species.

### Usage

    data(maples)

### Format

`tithonia` is a list containing the 2 following objects :

tre
  is a character string giving the phylogenetic tree in Newick format.
tab
  is a data frame with 17 species and 31 traits

### Source

Data were obtained from the URL http://www.stanford.edu/~dackerly/acerdata.html.

### References

Ackerly, D. D. and Donoghue, M.J. (1998) Leaf size, sappling allometry, and Corner's rules: phylogeny and correlated evolution in Maples (Acer). American Naturalist, 152, 767–791.

### Examples

    data(maples)
    phy <- newick2phylog(maples$tre)
    dom <- maples$tab$Dom
    bif <- maples$tab$Bif
    orthogram(dom, phylog = phy)
    orthogram(bif, phylog = phy)
    par(mfrow = c(1,2))
    dotchart.phylog(phy, dom)
    dotchart.phylog(phy, bif, clabel.nodes = 0.7)
    par(mfrow = c(1,1))
    plot(bif,dom,pch = 20)
    abline(lm(dom~bif))
    summary(lm(dom~bif))
    if (require(ape, quiet = TRUE)){
    cor.test(bif,dom)
    phylo <- read.tree(text = maples$tre)
    pic.bif <- pic(bif, phylo)
    pic.dom <- pic(dom, phylo)
    cor.test(pic.bif, pic.dom)}

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