This paper introduces a mixture model that combines proportional hazards regression with logistic regression for the analysis of survival data, and describes its parameter estimation via an expectation maximization algorithm. The mixture model is then applied to analyze the determinants of the...

While each individual has 10 billion ancestors a thousand years ago, these are not distinct and in practice, the number of distinct ancestors is much smaller. A female (‘mitochondrial Eve’) and a male ancestor (‘Y-chromosome Adam’) of all humans certainly existed,...