Note on ultrametric hierarchical clustering algorithms |
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| Authors: | Vladimir Batagelj |
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| Affiliation: | (1) Department of Mathematics, University Edvard Kardelj, Jadranska 19, 61 000 Ljubljana, Yugoslavia |
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| Abstract: | Milligan presented the conditions that are required for a hierarchical clustering strategy to be monotonic, based on a formula by Lance and Williams. In the present paper, the statement of the conditions is improved and shown to provide necessary and sufficient conditions.This work was supported in part by the Boris Kidri Fund, Yugoslavia. |
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| Keywords: | monotonic hierarchical clustering strategies |
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