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Compound Poisson approximations for sums of discrete nonlattice variables

Published online by Cambridge University Press:  01 July 2016

V. Čekanavičius*
Affiliation:
Vilnius University
Y. H. Wang*
Affiliation:
Tunghai University
*
Postal address: Department of Mathematics and Informatics, Vilnius University, Naugarduko 24, 2006 Vilnius, Lithuania. Email address: [email protected]
∗∗ Postal address: Department of Statistics, Tunghai University, No. 181, Section 3, Taichung-Kan Road, Taichung, Taiwan 407-04, Republic of China.

Abstract

Sums of independent random variables concentrated on the same finite discrete, not necessarily lattice, set of points are approximated by compound Poisson distributions and signed compound Poisson measures. Such approximations can be more accurate than the normal distribution. Short asymptotic expansions are constructed.

Type
General Applied Probability
Copyright
Copyright © Applied Probability Trust 2003 

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