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Zero Truncated Bivariate Poisson Model: Marginal-Conditional Modeling Approach with an Application to Traffic Accident Data
ISRT, University of Dhaka, Dhaka, Bangladesh
Department of Applied Statistics, East West University, Dhaka, Bangladesh
- 1 ISRT, University of Dhaka, Dhaka, Bangladesh
- 2 Department of Applied Statistics, East West University, Dhaka, Bangladesh
Applied Mathematics·Volume 07 (2016)·Pages 1589–1598·Published 17 August 2016·DOI10.4236/am.2016.714137
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Abstract
A new covariate dependent zero-truncated bivariate Poisson model is proposed in this paper employing generalized linear model. A marginal-conditional approach is used to show the bivariate model. The proposed model with estimation procedure and tests for goodness-of-fit and under (or over) dispersion are shown and applied to road safety data. Two correlated outcome variables considered in this study are number of cars involved in an accident and number of casualties for given number of cars.
KeywordsBivariate PoissonConditional ModelGeneralized Linear ModelMarginal ModelRoad Safety DataZero-Truncated
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