title: How to color branches in cluster dendrogram?
body: <p>I will appreciate it so much if anyone of you show me how to color the main branches on the Fan clusters.</p>
  
  <p>Please use the following example:</p>
  
  <pre><code>library(ape)
  library(cluster) 
  data(mtcars)
  plot(as.phylo(hclust(dist(mtcars))),type="fan")
  </code></pre>