| Issue |
A&A
Volume 588, April 2016
|
|
|---|---|---|
| Article Number | A19 | |
| Number of page(s) | 8 | |
| Section | Numerical methods and codes | |
| DOI | https://doi.org/10.1051/0004-6361/201527709 | |
| Published online | 11 March 2016 | |
Frequentist tests for Bayesian models
Astrophysics Group, Blackett Laboratory, Imperial College London,
Prince Consort
Road,
London
SW7 2AZ,
UK
e-mail:
l.lucy@imperial.ac.uk
Received: 6 November 2015
Accepted: 1 February 2016
Analogues of the frequentist chi-square and F tests are proposed for testing goodness-of-fit and consistency for Bayesian models. Simple examples exhibit these tests’ detection of inconsistency between consecutive experiments with identical parameters, when the first experiment provides the prior for the second. In a related analysis, a quantitative measure is derived for judging the degree of tension between two different experiments with partially overlapping parameter vectors.
Key words: methods: data analysis / methods: statistical
© ESO, 2016
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