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Optimal sampling ratios in comparative diagnostic trials
A subjective sampling ratio between the case and the control groups is not always an efficient choice to maximize the power or to minimize the total required sample size in comparative diagnostic trials.We derive explicit expressions for an optimal sampling ratio based on a common variance structure...
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| Autors principals: | , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
2014
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4060451/ https://ncbi.nlm.nih.gov/pubmed/24948841 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1111/rssc.12043 |
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