Martinussen, Torben; Scheike, Thomas H.; Zucker, David M. - In: Biometrika 98 (2011) 4, pp. 831-843
In this paper, we consider clustered right-censored time-to-event data. Such data can be analysed either using a marginal model if one is interested in population effects or using so-called frailty models if one is interested in covariate effects on the individual level and in estimation of...