Henrik, there is an easily adaptable example in this thread:
http://r.789695.n4.nabble.com/coloring-leaves-in-a-hclust-or-dendrogram-plot
-tt795496.html#a795497
HTH. Bryan
*************
Bryan Hanson
Professor of Chemistry & Biochemistry
DePauw University, Greencastle IN USA
On 10/15/10 9:05 AM, "Kennedy" <henrik.aldb...@gmail.com> wrote:
>
> 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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