[R] How to create a dendrogram with colored branches

[beginner]

Hi

I would like to create a dendrogram in R which has colored branches, like
the one shown below. 
<http://r.789695.n4.nabble.com/file/n4672993/dendrogram.png> 

So far I used following commands to create a standard dendrogram:


d <- dist(as.matrix(data[,29]))   # find distance matrix 
 hc <- hclust(d)                # apply hirarchical clustering 
 plot(hc,labels=data[,1], main="", xlab="") # plot the dendrogram

How should I modify this code to obtain a desired result ? 

Thanks in advance for your help.




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