Volume 12, Issue 2 (october 2013)                   JIRSS 2013, 12(2): 193-210 | Back to browse issues page

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Are A, Razmkhah M. Optimal Simple Step-Stress Plan for Type-I Censored Data from Geometric Distribution. JIRSS. 2013; 12 (2) :193-210
URL: http://jirss.irstat.ir/article-1-229-en.html
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Abstract:   (8669 Views)
Abstract. A simple step-stress accelerated life testing plan is considered when the failure times in each level of stress are geometrically distributed under Type-I censoring. The problem of choosing the optimal plan is investigated using the asymptotic variance-optimality as well as determinant-optimality and probability-optimality criteria. To illustrate the results of the paper, an example is presented and a sensitivity analysis is performed. A simulation study is also done to investigate the robustness of the criteria with respect to estimation error of the parameters. Eventually, some conclusions are presented.
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Received: 2013/10/4 | Accepted: 2013/10/6 | Published: 2013/10/6

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