SPHHP 2009 Calendar

Distinguished Scholars Lecture

when:	Thursday, November 5th at 4:00pm
where:	182 Farber Hall
sponsor:	Department of Biostatistics

Dr. David Oakes presents:

On the Role of Copula Models in Survival Analysis

An important class of models in bivariate survival analysis consists of the so-called frailty models, which arise from the introduction of a common unobserved random proportionality factor into the hazard functions of the two related survival times. This assumption leads to a simple copula representation of the joint survivor function. The class of such models will be described and various characterization results presented. Some extensions will be discussed. Methods of parametric and semi parametric inference about the parameters governing the marginal distributions and the association structure will be surveyed briefly.

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