JSM 2005 - Toronto

Abstract #303565

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Activity Number: 322
Type: Contributed
Date/Time: Tuesday, August 9, 2005 : 2:00 PM to 3:50 PM
Sponsor: Section on Nonparametric Statistics
Abstract - #303565
Title: On Nelson-Aalen's Type Estimation in the Partial Koziol-Green Model
Author(s): Haimeng Zhang*+ and Marepalli Rao
Companies: Concordia College and University of Cincinnati
Address: 901 8th Street South, Moorhead, MN, 56562, United States
Keywords: Koziol-Green Model ; Partially Informative Censoring ; PACL Estimator ; GMLE estimator ; Nelson-Aalen Type Estimator ; Censoring
Abstract:

The Nelson-Aalen's type of estimator (NA) is derived and compared with the partial Abdushukurov-Cheng-Lin (PACL), generalized maximum likelihood (GMLE), and Kaplan-Meier (KM) estimators under the Koziol-Green model with partially informative censoring. A comparison of its small- and large-sample properties based on simulations is investigated. The results show the NA estimator is more efficient than the KM estimator and is asymptotically equivalent with the PACL and GMLE estimators.

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