Published by the Foundation for Open Access Statistics Editors-in-chief: Bettina Grün, Torsten Hothorn, Rebecca Killick, Edzer Pebesma, Achim Zeileis    ISSN 1548-7660; CODEN JSSOBK
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Authors: Robin K. S. Hankin
Title: A Generalization of the Dirichlet Distribution
Abstract: This paper discusses a generalization of the Dirichlet distribution, the 'hyperdirichlet', in which various types of incomplete observations may be incorporated. It is conjugate to the multinomial distribution when some observations are censored or grouped. The hyperdirichlet R package is introduced and examples given. A number of statistical tests are performed on the example datasets, which are drawn from diverse disciplines including sports statistics, the sociology of climate change, and psephology.

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Paper: A Generalization of the Dirichlet Distribution     Download PDF (Downloads: 6616)
hyperdirichlet_1.4-2.tar.gz: R source package Download (Downloads: 919; 2MB)
v33i11.R: R example code from the paper Download (Downloads: 937; 7KB)

DOI: 10.18637/jss.v033.i11

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Paper: Creative Commons Attribution 3.0 Unported License
Code: GNU General Public License (at least one of version 2 or version 3) or a GPL-compatible license.