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averag
2003 Dec 03
3
non-uniqueness in cluster analysis
Hi,
I'm clustering objects defined by categorical variables with a hierarchical
algorithm - average linkage.
My distance matrix (general dissimilarity coefficient) includes several
distances with exactly the same values.
As I see, a standard agglomerative procedure ignores this problems, simply
selecting, above equal distances, the one that comes first.
For this reason the analysis in output