Bayes Factor
The ratio of two models' marginal likelihoods, quantifying how much the data shift the odds between them; because each marginal likelihood averages over the prior, Bayes factors automatically penalize needlessly flexible models but are notoriously sensitive to the priors chosen.
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The ratio of two models' marginal likelihoods, quantifying how much the data shift the odds between them; because each marginal likelihood averages over the prior, Bayes factors automatically penalize needlessly flexible models but are notoriously sensitive to the priors chosen.
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