[R] dendrogram branches with different lty

[Dr. Herwig Meschke]

On 16 Dec 2005 at 17:40, Patrick Kuss wrote:

> 
> Dear r-list,
> 
> I am trying to visually seperate the two main clusters of a dendrogram.
> The idea is to use:
> 
> 'edgePar=list(lty=3)' for 'dend1[[1]]' and
> 'edgePar=list(lty=1)' for 'dend1[[2]]'
> 
> I have not found a way to solve this. Any suggestions?
> 
> Patrick
> 
> hc <- hclust(dist(USArrests), "ave")
> (dend1 <- as.dendrogram(hc))
> par(mfrow=c(2,2))
> plot(dend1)
> plot(dend1[[1]],edgePar=list(lty=3))
> plot(dend1[[2]],edgePar=list(lty=1))

try
dend1[[1]] <- dendrapply(dend1[[1]],  function(e) { attr(e, "edgePar") <- list(lty=3); e })
plot(dend1)

Regards,
Herwig

-- 
Dr. Herwig Meschke
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