Mathematics Lecture Series

Mathematics Lecture Series

Postby staing » Mon Oct 01, 2012 7:56 am

Mathematics Lecture Series, Fall 2012
Fresno State

Dr. Ke Wu
California State University, Fresno

"Two-Sample Scale Problem under Different Censoring Models of Survival Data"

Friday, October 5, 2012
4:00 p.m. to 5:00 p.m.
Science 145

Survival analysis has been used to investigate things like how long a cancer patient lives, how long it takes before a light bulb breaks, how long people stay unemployed, etc. One is often interested in studying the difference of the effects of two treatments in a clinical trial, leading to the two-sample problem. In the two-sample scale model a specific treatment extends the life of the subject, in the sense that the lifetime is multiplied by a scale parameter. During this talk we will discuss the nature of survival data, the non-parametric Kaplan-Meier estimates of the survival curves, and minimum distance estimators of the scale parameter when the data are under different censoring models including the general right censoring model, Koziol-Green model, and partial Koziol-Green model. We will present the large-sample properties of the estimators and study the efficiencies of the estimators under these different censoring models.

For further information, please contact Dr. Tamas Forgacs at (559) 278-4907 or e-mail
Sieumuoi Delcroix
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Department of Earth and Environmental Sciences
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