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Interpreting the concordance statistic of a logistic regression model: relation to the variance and odds ratio of a continuous explanatory variable
BACKGROUND: When outcomes are binary, the c-statistic (equivalent to the area under the Receiver Operating Characteristic curve) is a standard measure of the predictive accuracy of a logistic regression model. METHODS: An analytical expression was derived under the assumption that a continuous expla...
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| Autors principals: | , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
BioMed Central
2012
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3528632/ https://ncbi.nlm.nih.gov/pubmed/22716998 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2288-12-82 |
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