On uniqueness of two principal points for univariate location mixtures

Wataru Yamamoto and Nobuo Shinozaki

Statistics & Probability Letters, 2000, vol. 46, issue 1, 33-42

Abstract: A sufficient condition of uniqueness of two principal points is given for univariate symmetric distributions, which are not necessarily unimodal. Especially a class of location mixtures including the normal ones is shown to have unique two principal points.

Keywords: Bimodal; distribution; k-means; clustering; Log-concavity; Normal; mixture (search for similar items in EconPapers)
Date: 2000
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Citations: View citations in EconPapers (6)

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