Information Metrics in Genetic Epidemiology

Tritchler David L, Sucheston Lara, Chanda Pritam and Ramanathan Murali

Statistical Applications in Genetics and Molecular Biology, 2011, vol. 10, issue 1, 1-20

Abstract: Information-theoretic metrics have been proposed for studying gene-gene and gene-environment interactions in genetic epidemiology. Although these metrics have proven very promising, they are typically interpreted in the context of communications and information transmission, diminishing their tangibility for epidemiologists and statisticians.In this paper, we clarify the interpretation of information-theoretic metrics. In particular, we develop the methods so that their relation to the global properties of probability models is made clear and contrast them with log-linear models for multinomial data. Hopefully, a better understanding of their properties and probabilistic implications will promote their acceptance and correct usage in genetic epidemiology. Our novel development also suggests new approaches to model search and computation.

Keywords: gene-environment interaction; gene-gene interactions; K-way Interaction Index; information theory (search for similar items in EconPapers)
Date: 2011
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DOI: 10.2202/1544-6115.1569

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