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Asymptotic Model Selection for Naive Bayesian Networks

12/12/2012

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by Dmitry Rusakov, et al.

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We develop a closed form asymptotic formula to compute the marginal likelihood of data given a naive Bayesian network model with two hidden states and binary features. This formula deviates from the standard BIC score. Our work provides a concrete example that the BIC score is generally not valid for statistical models that belong to a stratified exponential family. This stands in contrast to linear and curved exponential families, where the BIC score has been proven to provide a correct approximation for the marginal likelihood.

Dmitry Rusakov
2 publications
Dan Geiger
25 publications

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