Ridout, M.S. and Besbeas, P. (2004) An empirical model for underdispersed count data. Statistical Modelling , 4 (1). pp. 77-89. ISSN 1471-082X .
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We present a novel distribution for modelling count data that are underdispersed relative to the Poisson distribution. The distribution is a form of weighted Poisson distribution and is shown to have advantages over other weighted Poisson distributions that have been proposed to model underdispersion. One key difference is that the weights in our distribution are centred on the mean of the underlying Poisson distribution. Several illustrative examples are presented that illustrate the consistently good performance of the distribution.
|Uncontrolled keywords:||clutch size • exponential weighting • linnet • Poisson process • polyspermy • weighted Poisson distribution|
|Subjects:||Q Science > QA Mathematics (inc Computing science)|
|Divisions:||Faculties > Science Technology and Medical Studies > School of Mathematics Statistics and Actuarial Science > Statistics|
|Depositing User:||Judith Broom|
|Date Deposited:||10 Sep 2008 14:49|
|Last Modified:||14 Jan 2010 14:25|
|Resource URI:||http://kar.kent.ac.uk/id/eprint/6753 (The current URI for this page, for reference purposes)|
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