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
中科院分区:
文献类型:
--
作者:
Katsuhiro SHIRONO;Masanori SHIRO;Hideyuki TANAKA and Kensei EHARA
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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