R: Ladderize a Tree

ladderize {ape} | R Documentation

## Ladderize a Tree

### Description

This function reorganizes the internal structure of the tree to get the ladderized effect when plotted.

### Usage

    ladderize(phy, right = TRUE)

### Arguments

`phy` | an object of class `"phylo"`.
`right` | a logical specifying whether the smallest clade is on the right-hand side (when the tree is plotted upwards), or the opposite (if `FALSE`).

### Author(s)

Emmanuel Paradis

### See Also

`plot.phylo`, `reorder.phylo`

### Examples

    tr <- rcoal(50)
    layout(matrix(1:4, 2, 2))
    plot(tr, main = "normal")
    plot(ladderize(tr), main = "right-ladderized")
    plot(ladderize(tr, FALSE), main = "left-ladderized")
    layout(matrix(1, 1))

[Package ape version 4.1 Index]