[R] plotting dendrograms from cluster analyses

Jakub Fast jfast at friko5.onet.pl
Tue Aug 28 11:01:36 CEST 2001


> Hi all,
> I have a bit of a newbie question here that I hope y'all can help with.
I've
> run a cluster analysis using hclust on about 500 objects (using R1.3 under
> Win 2000). The problem is that the tips of the dendrogram are so close
> together on the plot that the labels overlap and are unreadable. I've used
> "cex" to reduce the label sizes but this isn't sufficient with so many
> objects on the plot. I've looked at "cutree" but this seems to show a
> summary of the upper levels of the dendrogram (?) and I want to see the
> details at the bottom. Basically I just want to print the dendrogram over
> several pages so that the plot is stetched out horizontally and the tip
> labels become readable. Is that possible? More generally, how does one
print
> out large plots over several pages?? Can that be done?
> Many thanks for any help,
> Duncan

I have done clusterings with ca. 300 items. For those, I found that a paper
size of 25 by 25 inches was more than enough.I don't remember, but I think I
set the cex to something like 0.5~0.7 on those. When printed out on multiple
pages the trees were perfectly readable.

Regards,

Kuba Fast



-- 

OnetKomunikator - porozumiesz sie
z innymi [ http://ok.onet.pl/instaluj.html ]

-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !)  To: r-help-request at stat.math.ethz.ch
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._



More information about the R-help mailing list