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Log-mean linear models for binary data

Log-mean linear models for binary data This paper introduces a novel class of models for binary data, which we call log-mean linear models. They are specified by linear constraints on the log-mean linear parameter, defined as a log-linear expansion of the mean parameter of the multivariate Bernoulli distribution. We show that marginal independence relationships between variables can be specified by setting certain log-mean linear interactions to zero and, more specifically, that graphical models of marginal independence are log-mean linear models. Our approach overcomes some drawbacks of the existing parameterizations of graphical models of marginal independence. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Biometrika Oxford University Press

Log-mean linear models for binary data

Biometrika , Volume 100 (2) – Jun 5, 2013

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References (37)

Publisher
Oxford University Press
Copyright
2013 Biometrika Trust
Subject
Articles
ISSN
0006-3444
eISSN
1464-3510
DOI
10.1093/biomet/ass080
Publisher site
See Article on Publisher Site

Abstract

This paper introduces a novel class of models for binary data, which we call log-mean linear models. They are specified by linear constraints on the log-mean linear parameter, defined as a log-linear expansion of the mean parameter of the multivariate Bernoulli distribution. We show that marginal independence relationships between variables can be specified by setting certain log-mean linear interactions to zero and, more specifically, that graphical models of marginal independence are log-mean linear models. Our approach overcomes some drawbacks of the existing parameterizations of graphical models of marginal independence.

Journal

BiometrikaOxford University Press

Published: Jun 5, 2013

Keywords: Contingency table Graphical Markov model Marginal independence Mean parameter

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