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On zero-truncating and mixing Poisson distributions
Published online by Cambridge University Press: 01 July 2016
Abstract
The distributions that result from zero-truncating mixed Poisson (ZTMP) distributions and those obtained from mixing zero-truncated Poisson (MZTP) distributions are characterised based on their probability generating functions. One consequence is that every ZTMP distribution is an MZTP distribution, but not vice versa. These characterisations also indicate that the size-biased version of a Poisson mixture and, under certain regularity conditions, the shifted version of a Poisson mixture are neither ZTMP distributions nor MZTP distributions.
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- General Applied Probability
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- Copyright © Applied Probability Trust 2010
Footnotes
Research partially supported by the Spanish Ministry of Education and Science and FEDER grants TIN2009-14560-C03-03, MTM2006-09920 and MTM2006-01477, and Generalitat de Catalunya through grant SGR-1187.
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