To study the small sample performance in the proportional hazards regression model of four estimators of the survival function and three procedures for constructing confidence intervals, a Monte Carlo ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Robert Kelly is managing director of ...

Let X(t), t ≥ 0, be a real or vector valued stochastic process and T a random killing-time of the process which generally depends on the sample function. In the context of survival analysis, T ...