Abstract #301779

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JSM 2003 Abstract #301779
Activity Number: 59
Type: Contributed
Date/Time: Sunday, August 3, 2003 : 4:00 PM to 5:50 PM
Sponsor: Biometrics Section
Abstract - #301779
Title: Nonparametric Estimation in Proportional Hazards Model
Author(s): Manzoor Hussain*+
Companies: Advanced Biologics
Address: 1191 Cobblestone Circle, Lansdale, PA, 19446-6636,
Keywords: Kaplan-Meier ; Abdushukorov-Cheng-Lin estimator
Abstract:

Let X be a lifetime variable and C a censoring variable. The hazard functions of X and C are proportional. Let T = min{X, C} and Delta = I{X < = C}. The main focus of this talk is generalized maximum likelihood estimation of the survival function of X a la Kiefer and Wolfowitz based on some n independent realizations of (T, Delta). The asymptotic theory of the estimator is also expounded.

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