Bias properties of Bayesian statistics in finite mixture of negative binomial regression models in crash data analysis.

@article{Park2010BiasPO,
  title={Bias properties of Bayesian statistics in finite mixture of negative binomial regression models in crash data analysis.},
  author={Byung-Jung Park and Dominique Lord and Jeffrey D. Hart},
  journal={Accident; analysis and prevention},
  year={2010},
  volume={42 2},
  pages={741-9}
}
Factors that cause heterogeneity in crash data are often unknown to researchers and failure to accommodate such heterogeneity in statistical models can undermine the validity of empirical results. A recently proposed finite mixture for the negative binomial regression model has shown a potential advantage in addressing the unobserved heterogeneity as well as providing useful information about features of the population under study. Despite its usefulness, however, no study has been found to… CONTINUE READING

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