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Bayesian nonparametric Plackett-Luce models for the analysis of preferences for college degree programmes

Abstract : In this paper we propose a Bayesian nonparametric model for clustering partial ranking data. We start by developing a Bayesian nonparametric extension of the popular Plackett-Luce choice model that can handle an infinite number of choice items. Our framework is based on the theory of random atomic measures, with prior specified by a completely random measure. We characterise the posterior distribution given data, and derive a simple and effective Gibbs sampler for posterior simulation. We then develop a Dirichlet process mixture extension of our model and apply it to investigate the clustering of preferences for college degree programmes amongst Irish secondary school graduates. The existence of clusters of applicants who have similar preferences for degree programmes is established and we determine that subject matter and geographical location of the third level institution characterise these clusters.
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Contributor : Francois Caron <>
Submitted on : Tuesday, January 14, 2014 - 5:38:24 PM
Last modification on : Monday, February 18, 2019 - 7:48:19 PM
Long-term archiving on: : Saturday, April 8, 2017 - 3:18:10 PM

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  • HAL Id : hal-00755478, version 2
  • ARXIV : 1211.5037

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Francois Caron, Yee Whye Teh, Thomas Brendan Murphy. Bayesian nonparametric Plackett-Luce models for the analysis of preferences for college degree programmes. Annals of Applied Statistics, Institute of Mathematical Statistics, 2014. ⟨hal-00755478v2⟩

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