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Predictive accuracy of risk factors and markers: a simulation study of the effect of novel markers on different performance measures for logistic regression models

The change in c-statistic is frequently used to summarize the change in predictive accuracy when a novel risk factor is added to an existing logistic regression model. We explored the relationship between the absolute change in the c-statistic, Brier score, generalized R(2), and the discrimination s...

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Autors principals: Austin, Peter C, Steyerberg, Ewout W
Format: Artigo
Idioma:Inglês
Publicat: Blackwell Publishing Ltd 2013
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Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC3575692/
https://ncbi.nlm.nih.gov/pubmed/22961910
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/sim.5598
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