THE ROLE OF FRAILTY MODELS AND ACCELERAT
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NIELS KEIDING; PER KRAGH ANDERSEN; JOHN P. KLEIN
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Article
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1997
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John Wiley and Sons
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English
โ 291 KB
๐ 2 views
In survival analysis, deviations from proportional hazards may sometimes be explained by unaccounted random heterogeneity, or frailty. This paper recalls the literature on omitted covariates in survival analysis and shows in a case study how unstably frailty models might behave when asked to account