1994 | OriginalPaper | Chapter
Selecting a frailty model for longitudinal breast cancer data
Authors : D. Moreira dos Santos, R. B. Davies
Published in: Selecting Models from Data
Publisher: Springer New York
Included in: Professional Book Archive
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Different units often exhibit different failure rates. Frailty models allow for heterogeneity across units over and above the variation attributable to covariates included in the analysis. This paper reviews frailty model methods, using parametric and semiparametric specifications, for longitudinal breast cancer data.