Estimation of the Burr-XII distribution for partially accelerated life tests using censored data

AA Abdel-Ghaly, ZH Amin… - Model Assisted Statistics …, 2008 - content.iospress.com
AA Abdel-Ghaly, ZH Amin, DA Omar
Model Assisted Statistics and Applications, 2008content.iospress.com
Estimation concerning the parameters of the Burr type XII distribution is discussed for both
step and constant stress partially accelerated life tests for types I and II censored samples.
Maximum likelihood estimators and their asymptotic variances are developed for the
parameters of the distribution as well as for the acceleration factor. Illustrative examples are
provided. A simulation study is presented to investigate the efficiency of maximum likelihood
estimates under the different sampling schemes for various sizes of the sample.
Abstract
Estimation concerning the parameters of the Burr type XII distribution is discussed for both step and constant stress partially accelerated life tests for types I and II censored samples. Maximum likelihood estimators and their asymptotic variances are developed for the parameters of the distribution as well as for the acceleration factor. Illustrative examples are provided. A simulation study is presented to investigate the efficiency of maximum likelihood estimates under the different sampling schemes for various sizes of the sample.
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