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OBJECTIVE BAYESIAN APPROACH TO STEP STRESS ACCELERATED LIFE TESTS  

Kim Dal-Ho (Department of Statistics, Kyungpook National University)
Lee Woo-Dong (Department of Asset Management, Daegu Haany University)
Kang Sang-Gil (Department of Applied Statistics, Sangji University)
Publication Information
Journal of the Korean Statistical Society / v.35, no.3, 2006 , pp. 225-238 More about this Journal
Abstract
This paper considers noninformative priors for the scale parameter of exponential distribution when the data are collected in step stress accelerated life tests. We find the Jeffreys' and reference priors for this model and show that the reference prior satisfies first order matching criterion. Also, we show that there exists no second order matching prior in this problem. Some simulation results are given and we perform Bayesian analysis for proposed priors using some data.
Keywords
Accelerated life tests; Jeffreys' prior; matching prior; reference prior; step stress;
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