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Prior-predictive value from fast growth simulations

  • Statistical and Nonlinear Physics
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The European Physical Journal B Aims and scope Submit manuscript

Abstract.

Building on a variant of the Jarzynski equation we propose a new method to numerically determine the prior-predictive value in a Bayesian inference problem. The method generalizes thermodynamic integration and is not hampered by equilibration problems. We demonstrate its operation by applying it to two simple examples and elucidate its performance. In the case of multi-modal posterior distributions the performance is superior to thermodynamic integration.

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Correspondence to H. Ahlers.

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Ahlers, H., Engel, A. Prior-predictive value from fast growth simulations. Eur. Phys. J. B 62, 357–364 (2008). https://doi.org/10.1140/epjb/e2008-00165-2

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  • DOI: https://doi.org/10.1140/epjb/e2008-00165-2

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