Inference for a Simple Step-Stress Model With Type-II Censoring, and Weibull Distributed Lifetimes

@article{Kateri2008InferenceFA,
  title={Inference for a Simple Step-Stress Model With Type-II Censoring, and Weibull Distributed Lifetimes},
  author={Maria Kateri and Narayanaswamy Balakrishnan},
  journal={IEEE Transactions on Reliability},
  year={2008},
  volume={57},
  pages={616-626}
}
The simple step-stress model under type-II censoring based on Weibull lifetimes, which provides a more flexible model than the exponential model, is considered in this paper. For this model, the maximum likelihood estimates (MLE) of its parameters, as well as the corresponding observed Fisher information matrix, are derived. The likelihood equations do not lead to closed-form expressions for the MLE, and they need to be solved by using an iterative procedure, such as the Newton-Raphson method… CONTINUE READING

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Bayesian Analysis of a Simple Step-Stress Model Under Weibull Lifetimes

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