Dear useRs,
 
I have a large dataset (600 to 2000 observations) that I need to cluster with a hierarchical technique, and then examine so that I can use cutree to extract various groups.  I would like to visualize the results of hclust in a dendrogram, but this is obviously too much data for the normal 6 x 6 figure.  Does anyone know how to make a large graph so that I can print it and view the details?  I have tried changing the graph size and outputting the chart to an image of pdf file, but I keep getting an error:
 
> jpeg(file="dendrogram.jpeg")
> par(fin=c(20,20))
> plot(eq2) 

Error in plot.new() : figure region too large

> dev.off()
 
Please advise.
 
Thanks,

Jesse Lecy
PhD Candidate in Social Science
Syracuse University

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