R: unbranch trees

unbranch {dendextend} | R Documentation

## unbranch trees

### Description

unbranch trees and merges the subtree to the parent node.

### Usage

    unbranch(dend, ...)

    ## Default S3 method:
    unbranch(dend, ...)

    ## S3 method for class 'dendrogram'
    unbranch(dend, branch_becoming_root = 1, new_root_height,
      ...)

    ## S3 method for class 'hclust'
    unbranch(dend, branch_becoming_root = 1, new_root_height,
      ...)

    ## S3 method for class 'phylo'
    unbranch(dend, ...)

### Arguments

`dend` | a dendrogram (or hclust) object
`...` | passed on
`branch_becoming_root` | a numeric choosing the branch of the root which will become the new root (from left to right)
`new_root_height` | the new height of the branch which will become the new root. If the parameter is not given - the height of the original root is used.

### Value

An unbranched dendrogram

### See Also

unroot ape

### Examples

    hc <- hclust(dist(USArrests[2:9,]), "com")
    dend <- as.dendrogram(hc)

    par(mfrow = c(1,3))
    plot(dend, main = "original tree")
    plot(unbranch(dend , 1), main = "unbranched tree (left branch)")
    plot(unbranch(dend , 2), main = "tree without  (right branch)")

[Package dendextend version 1.8.0 Index]