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A note on combined inference on the common coefficient of variation using confidence distributions

机译:关于使用置信度分布对共同方差系数进行组合推断的注释

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This article considers inference for a common coefficient of variation (CV) shared by several normal populations. The confidence distributions (CD) are used to combine the information about each CV from different sources. A new procedure for constructing a confidence interval for the common CV is developed based on a combined confidence distribution for the inverse of the CV. The new derived CD interval has a theoretical exact frequentist property. Simulation results demonstrate that the new confidence intervals perform very well in terms of empirical coverage probability and average interval length. Finally, the proposed new procedure is illustrated on a real data example.
机译:本文考虑了由几个正常人群共享的共同变异系数(CV)的推断。置信度分布(CD)用于合并有关来自不同来源的每个CV的信息。基于CV倒数的组合置信度分布,开发了一种构造通用CV置信区间的新过程。新推导的CD间隔具有理论上精确的频频特性。仿真结果表明,新的置信区间在经验覆盖概率和平均区间长度方面表现非常好。最后,在实际数据示例中说明了所提出的新过程。

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