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math.ST2007
A Bivariate Competing-Risks Model with One Termination Event
Cheng K. Lee
The likelihood function for a competing-risks model with one fatal and one non-fatal event is proposed. A bivariate Weibull using the likelihood function is applied to the Stanford…
math.ST2006
A Fractional Survival Model
Cheng K. Lee, Jenq-Daw Lee
A survival model is derived from the exponential function using the concept of fractional differentiation. The hazard function of the proposed model generates various shapes of cur…