Model averaging approaches to data subset selection
Journal Article
·
· Physical Review. E
- University of Colorado, Boulder, CO (United States); University of Colorado
- University of Colorado, Boulder, CO (United States)
Model averaging is a useful and robust method for dealing with model uncertainty in statistical analysis. Often, it is useful to consider data subset selection at the same time, in which model selection criteria are used to compare models across different subsets of the data. Two different criteria have been proposed in the literature for how the data subsets should be weighted. We compare the two criteria closely in a unified treatment based on the Kullback-Leibler divergence and conclude that one of them is subtly flawed and will tend to yield larger uncertainties due to loss of information. Here, analytical and numerical examples are provided.
- Research Organization:
- University of Colorado, Boulder, CO (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- SC0010005
- OSTI ID:
- 2223083
- Journal Information:
- Physical Review. E, Journal Name: Physical Review. E Journal Issue: 4 Vol. 108; ISSN 2470-0045
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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