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Showing 2008 · math.STShow all
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math.ST2008★ 23 cited
Objective Bayes testing of Poisson versus inflated Poisson models
M. J. Bayarri, James O. Berger, Gauri S. Datta
The Poisson distribution is often used as a standard model for count data. Quite often, however, such data sets are not well fit by a Poisson model because they have more zeros tha…
math.ST2008★ 18 cited
A Bayesian test for excess zeros in a zero-inflated power series distribution
Archan Bhattacharya, Bertrand S. Clarke, Gauri S. Datta
Power series distributions form a useful subclass of one-parameter discrete exponential families suitable for modeling count data. A zero-inflated power series distribution is a mi…