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Stability of extremes with random sample size

Published online by Cambridge University Press:  14 July 2016

W. J. Voorn
W. J. Voorn*
Affiliation:
Universiteit van Amsterdam
*
∗ Postal address: Universiteit van Amsterdam, Vakgroep Medische Fysica, Meibergdreef 15, 1105 AZ Amsterdam, The Netherlands.
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Abstract

A non-degenerate distribution function F is called maximum stable with random sample size if there exist positive integer random variables Nn, n = 1, 2, ···, with P(Nn = 1) less than 1 and tending to 1 as n → ∞ and such that F and the distribution function of the maximum value of Nn independent observations from F (and independent of Nn) are of the same type for every index n. By proving the converse of an earlier result of the author, it is shown that the set of all maximum stable distribution functions with random sample size consists of all distribution functions F satisfying where c2, c3, · ·· are arbitrary non-negative constants with 0 < c2 + c3 + · ·· <∞, and all distribution functions G and H defined by F(x)= G(c + exp(x)) and F(x) = H(c – exp(–x)), –∞ < x <∞, where c is an arbitrary real constant.

Keywords

LOGISTIC DISTRIBUTIONLOGLOGISTIC DISTRIBUTIONGEOMETRIC DISTRIBUTIONMAXIMAL TERMMIXTURES
Type
Research Papers
Information
Journal of Applied Probability , Volume 26 , Issue 4 , December 1989 , pp. 734 - 743
Copyright
Copyright © Applied Probability Trust 1989 

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References

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