Stata command xtnbreg: A Simple Approach to Fit the Beta-binomial Model. In this paper, I show how to estimate the parameters of the beta-binomial distribution and its multivariate generalization, the Dirichlet-multinomial distribution. This approach involves no additional programming, as it relies on an existing Stata command used for overdispersed count panel data. Including covariates to allow for regression models based in these distributions is straightforward.
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- Quintero-Sarmiento, Adrián; Cepeda-Cuervo, Edilberto; Núñez-Antón, Vicente: Estimating infant mortality in Colombia: some overdispersion modelling approaches (2012)