marginal likelihood

Fast emulation of anisotropies induced in the cosmic microwave background by cosmic strings
Cosmic strings are linear topological defects that may have been produced during symmetry-breaking phase transitions in the very early …
Matthew A. Price, Matthijs Mars, Matthew Docherty, Alessio Spurio Mancini, Augustin Marignier, Jason D. McEwen
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Bayesian model comparison for simulation-based inference
Comparison of appropriate models to describe observational data is a fundamental task of science. The Bayesian model evidence, or …
Alessio Spurio Mancini, Matthew Docherty, Matthew A. Price, Jason D. McEwen
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Machine learning assisted Bayesian model comparison: learnt harmonic mean estimator
We resurrect the infamous harmonic mean estimator for computing the marginal likelihood (Bayesian evidence) and solve its problematic …
Jason D. McEwen, Christopher G. R. Wallis, Matthew A. Price, Matthew Docherty
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