Thank you all for your kind help.


On Sat, Apr 26, 2014 at 7:03 PM, Tal Galili <tal.gal...@gmail.com> wrote:

> Thank you for mentioning the
> dendextend<http://cran.r-project.org/web/packages/dendextend/>package
> Gregory.
>
> As I mention in the package, the dendextend package implements a similar
> function as in the dendroextra. The big difference between the two is that
> the dendextend package has an implementation of the "cutree" function for
> dendrograms (making it possible to not have to go through the hclust object
> in order to perform it). This is helpful when using non-standard
> dendrograms that can not be turned into an hclust object (via
> as.hclust.dendrogram).
> Also, the dendextend package includes many other functions for dendrogram
> manipulation which might be helpful.
>
> Here is a quick example that can give you a sense of the possibilities:
>
>
> install.packages("dendextend")
> require(dendextend)
>
> # pdf("dendextend_example.pdf")
> dend <- as.dendrogram(hclust(dist(USArrests), "ave"))
> d1=color_branches(dend, k=5, col = c(3,1,1,4,1))
> plot(d1) # selective coloring of branches :)
> d2=color_branches(d1,k=5)
> plot(d2) # getting rainbow_hcl colors for each cluster (the default)
> d3=color_branches(d1,5,groupLabels=TRUE) # adding numbers to the branches
> plot(d3)
> d4=color_labels(d3, k=5, col = c(3,1,1,4,1)) # color labels by cluster
> plot(d4)
> d5=color_labels(d4, col = c("red", "orange")) # color labels from left to
> right
> plot(d5)
> # dev.off()
>
> Here is the output:
> https://www.dropbox.com/s/vii83jd9xnbmuv7/dendextend_example.pdf
>
> Also, there is a (rough draft) of a vignettes for the package here:
>
> https://github.com/talgalili/dendextend/blob/master/vignettes/dendextend-tutorial.pdf?raw=true
>
> Feedback is welcome.
>
> Best,
> Tal
>
>
>
>
>
>
>
>
>
> ----------------Contact
> Details:-------------------------------------------------------
> Contact me: tal.gal...@gmail.com |
> Read me: www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
> www.r-statistics.com (English)
>
> ----------------------------------------------------------------------------------------------
>
>
>
> On Sat, Apr 26, 2014 at 10:36 AM, Gregory Jefferis <jeffe...@gmail.com
> >wrote:
>
> >
> > On 26 Apr 2014, at 06:41, Gregory Jefferis <jeffe...@gmail.com> wrote:
> >
> > > # plot dendrogram coloured by cluster:
> > > ##
> > > library(dendroextras)
> > > cluc=colour_clusters(clu, k=3, groupLabels =TRUE)
> > > plot(cluc)
> >
> > There was a typo in an argument name for colour_clusters in my earlier
> > response (thanks to Dennis Murphy for pointing this out). Correction in
> > above.
> >
> > Fancier versions are also possible:
> >
> > plot(colour_clusters(clu, k=3, groupLabels = as.roman))
> >
> > Best,
> >
> > Greg.
> >         [[alternative HTML version deleted]]
> >
> > ______________________________________________
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> > and provide commented, minimal, self-contained, reproducible code.
> >
>
>         [[alternative HTML version deleted]]
>
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>

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