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Sur les orientations d’une ultramétrique ou d’une hiérachie. (On the orientations of an ultrametric or a hierarchy). (French) Zbl 0681.62055

Summary: A Diday’s algorithm gives the orientations of an ultrametric or a hierarchy. We deduce some remarkable properties for these orientations and we show that they cannot be extended to the directly more general context of prepyramids and associated dissimilarities.

MSC:

62H30 Classification and discrimination; cluster analysis (statistical aspects)
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