[R] Color individual leaf labels in dendrogram

Kennedy
Fri, 15 Oct 2010 13:05:08 -0000

Hi,

I have performed a clustering of a matrix and plotted the result with
pltree. See code below. I want to color the labels of the leafs
individually. For example I want the label name "Node 2" to be plotted
in
red. How do I do this?

Sincerely

Henrik


  library(cluster)

  D <- matrix(nr=4,nc=4)
  rownames(D) <- c("Node 1","Node 2","Node
3","Node 4")
  D[1,] <- c(0,.6,.1,.7)
  D[2,] <- c(.6,.0,.3,.9)
  D[3,] <- c(.1,.3,0,.9)
  D[4,] <- c(.7,.9,.9,0)

  C <- agnes(D,diss=T,method="complete")

  pltree(C)

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