Journal
STATISTICA NEERLANDICA
Volume 66, Issue 3, Pages 237-252Publisher
WILEY
DOI: 10.1111/j.1467-9574.2011.00517.x
Keywords
analysis of variance; clinical trial; composition; decision; model selection; small-area estimation; utility function
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Funding
- SNTL General Research Fund
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A perspective is presented in which the search for a suitable model on which to base inferential statements related to the analysed dataset is not useful and leads, with the established practice, to invalid statements. Composition is proposed as an alternative, in which the candidate estimators are (linearly) combined. Three generic examples are discussed: the analysis of variance in which model selection is a direct cause of inefficiency, clinical trials (experiments) in which model selection is not practiced and small-area estimation in which one aspect of model selection has been dismissed decisively a long time ago, and there are more effective criteria for the other aspects of the problem.
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