2014 Joint Statistical Meetings - Statistics: Global Impact - Past, Present and Future

JSM 2014 Online Program

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Activity Number:	454
Type:	Contributed
Date/Time:	Wednesday, August 6, 2014 : 8:30 AM to 10:20 AM
Sponsor:	Biometrics Section
Abstract #312244	View Presentation
Title:	An Alternative Estimation Method for the Semiparametric Accelerated Failure Time Mixture Model
Author(s):	Yinding Wang*+ and Jiajia Zhang
Companies:	and University of South Carolina
Keywords:	Survival analysis ; accelerated failure time mixture model ; EM algorithm ; Profile likelihood ; clinical trials
Abstract:	We proposed an alternative estimation method for the semiparametric accelerated failure time mixture model by incorporating the profile likelihood into the M-step of the EM algorithm. Our simulation study shows that the proposed method works as well as the existing method.

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