[R] plotting dendrograms from cluster analyses

[Duncan Mackay]

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

*******************************************
Dr. Duncan Mackay
Biology
Flinders University
GPO Box 2100
Adelaide
S.A.    5001
AUSTRALIA

Ph (08) 8201 2627    FAX (08) 8201 3015

http://www.bio.flinders.edu.au/dam/damres.htm


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