draw.clust {maptree}

Graph a Hierarchical Cluster Tree

Description

Graph a hierarchical cluster tree of class twins or hclust using colored symbols at observations.

Usage

  draw.clust (cluster, data=NULL, cex=par("cex"), pch=par("pch"), size=2.5*cex, 
      col=NULL, nodeinfo=FALSE, cases="obs", new=TRUE)

Arguments

cluster

object of class hclust or twins.

data

clustered dataset for hclust application.

cex

size of text, par parameter.

pch

shape of symbol at leaves, par parameter.

size

size in cex units of symbol at leaves.

col

vector of colors from hsv, rgb, etc, or if NULL, then use rainbow.

nodeinfo

if TRUE, add a line at each node with number of observations included in each leaf.

cases

label for type of observations.

new

if TRUE, call plot.new.

Details

An alternative to pltree and plot.hclust.

Value

The vector of colors supplied or generated.

Author(s)

Denis White

See Also

agnes, diana, hclust, draw.tree, map.groups

Examples

  library (cluster)
  data (oregon.bird.dist)

  draw.clust (clip.clust (agnes (oregon.bird.dist), k=6))