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2005 Apr 22
0
defining custom survreg distributions
Dear R Helpers, I am trying to carry out survival analysis in the presence of long term survivors (immunes/cureds). This involves using a split population model (some call it a mixture model) where the assumption of eventual failure is relaxed. I am following closely the formulation by Maller and Zhou (1996). Parametric modelling in this situation involves the introduction of a new