Bivariate Poisson and Diagonal Inflated Bivariate Poisson Regression Models in R

Dimitris Karlis and Ioannis Ntzoufras

Journal of Statistical Software, 2005, vol. 014, issue i10

Abstract: In this paper we present an R package called bivpois for maximum likelihood estimation of the parameters of bivariate and diagonal inflated bivariate Poisson regression models. An Expectation-Maximization (EM) algorithm is implemented. Inflated models allow for modelling both over-dispersion (or under-dispersion) and negative correlation and thus they are appropriate for a wide range of applications. Extensions of the algorithms for several other models are also discussed. Detailed guidance and implementation on simulated and real data sets using bivpois package is provided.

Date: 2005-09-05
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Persistent link: https://EconPapers.repec.org/RePEc:jss:jstsof:v:014:i10

DOI: 10.18637/jss.v014.i10

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