"Martin Maechler" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED]
> The clue is to transform correlations to dissimilarities. . . . > and then use hclust(), agnes(), pam(), [the latter two from > package 'cluster'], ... > with 'Dx' as dissimilarity Perhaps this TechNote may be of interest: Correlation "Distances" and Hierarchical Clustering http://research.stowers-institute.org/efg/R/Visualization/cor-cluster/index.htm efg ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html