Proficiency tests with uncertainty information: Detection of an unknown random effect

Proficiency tests with uncertainty information: Detection of an unknown random effect
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不确定性信息的能力测试:未知随机效应的检测

DOI:
10.1016/j.measurement.2015.09.035
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发表时间:
2016
期刊:
影响因子:
5.6
通讯作者:
Hideyuki TANAKA and Kensei EHARA
Hideyuki TANAKA and Kensei EHARA
中科院分区:
工程技术2区
文献类型:
--
作者:
Katsuhiro SHIRONO;Masanori SHIRO;Hideyuki TANAKA and Kensei EHARA

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当在能力验证(PT)中报告测量不确定度时,通常通过与ISO 13528标准中规定的参考实验室的测量结果进行比较来评估性能。另一方面,该标准没有规定没有参考实验室时的性能评价方法。在这项研究中,EN数,这是在ISO 13528中描述的性能统计之一,被重新解释为贝叶斯后验预测检查的指标,并扩展到没有参考实验室的情况下。本文提出的扩展En数具有统计意义明确、计算简单的特点。
When measurement uncertainties are reported in a proficiency test (PT), the performances are usually evaluated through a comparison with the measurement result of a reference laboratory as set forth in the ISO 13528 standard. On the other hand, the standard does not specify a performance evaluation method when there is no reference laboratory. In this study, the E n number, which is described in ISO 13528 as one of the performance statistics, is reinterpreted as an index for Bayesian posterior predictive checking, and extended to a case with no reference laboratory. This extended E n number proposed in this study has clear statistical meaning and is easy to compute.
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