[R] Describing clusters

[David Winsemius]

http://addictedtor.free.fr/graphiques/RGraphGallery.php?graph=130

http://bm2.genes.nig.ac.jp/RGM2/index.php?ctv=Cluster
#returns 14 pages of examples

http://bm2.genes.nig.ac.jp/RGM2/index.php?query=varclus&ctv=Cluster

   _
_-
David Winsemius

On Mar 18, 2009, at 9:43 AM, Carlos J. Gil Bellosta wrote:

> Dear R-helpers,
>
> I am writing to the list in order to inquire whether there exists any
> R package or program that will help me "describe" clusters.
>
> The situation is as follows:
>
> 1) I create some clusters (say, with any clustering method in R).
>
> 2) I want to "describe" and assign some kind of "label" to each of  
> them.
>
> In order to "label" each cluster, I want to compare the distribution
> of the variables in each cluster with respect to the distribution of
> the variables in the original dataset. I would like to do it
> graphically, if possible. In this way I could review this output and
> say: this cluster corresponds to, say, "older patients who were not
> treated before", etc.
>
> I am aware this is not sound scientific practice, but I am asked to do
> something like that. I have some ideas about how to do it, but I would
> like to know if I am walking on a well trodden path.
>
> Best regards,
>
> Carlos J. Gil Bellosta
> http://www.datanalytics.com

Heritage Laboratories
West Hartford, CT