On flexible progressive censoring

On flexible progressive censoring

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Article ID: iaor20116532
Volume: 235
Issue: 16
Start Page Number: 4537
End Page Number: 4544
Publication Date: Jun 2011
Journal: Journal of Computational and Applied Mathematics
Authors: ,
Keywords: simulation, statistics: distributions
Abstract:

In life testing experiment under the setup of progressive Type II censoring we consider a new flexible scheme, in which the experimenter removes r 1 * equ1 ( r 1 * = r 1 equ2) units from the experiment if the first failure occurs before some predefined time t 1 equ3, and removes r 1 equ4 units when the first failure occurs after time t 1 equ5. If the second failure occurs before the time t 2 equ6, r 2 * equ7 surviving items are removed at random, otherwise r 2 equ8 surviving units are removed, ( r 2 * = r 2 equ9), and so on; finally, after the m equ10th failure, all remaining items are removed. Under this setup of the experiment we study the distributions of failure times, which are entitled as flexible progressive Type II censored (FPC) order statistics. The simulation algorithm for generating FPC samples and an illustrative example for a special case of exponential distribution are also presented. Finally, a Monte Carlo study is also conducted for the expected termination time under FCP.

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