| 能力验证中数据统计处理方法的优选 |
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| 引用本文： | 程铁辕,何开蓉,张莹,夏于林,凌跃. 能力验证中数据统计处理方法的优选[J]. 检验检疫科学, 2011, 0(4): 71-73 |
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| 作者姓名： | 程铁辕 何开蓉 张莹 夏于林 凌跃 |
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| 作者单位： | 四川出入境检验检疫局国家级酒类检测重点实验室; |
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| 摘 要： | 能力验证通过实验室间结果的比对来确定实验室检测能力。目前,国内能力验证统计方法主要采用稳健统计技术。本实验室在能力验证数据统计过程中发现利用稳健Z比分数通过ZB值、ZW值统计分析试验数据时,对于不同类型的数据并不完全适用,某些情况下,采用单样品稳健Z比分数会更加合理。
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| 关 键 词： | 稳健Z比分数 能力验证 标准偏差 |
Selection of Statistical Methods in Data Processing of Proficiency Testing |
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| Cheng Tieyuan,He Kairong,Zhang Ying,Xia Yulin,Ling Yue. Selection of Statistical Methods in Data Processing of Proficiency Testing[J]. Inspection and Quarantine Science, 2011, 0(4): 71-73 |
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| Authors: | Cheng Tieyuan He Kairong Zhang Ying Xia Yulin Ling Yue |
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| Affiliation: | Cheng Tieyuan,He Kairong,Zhang Ying,Xia Yulin,Ling Yue(The State Key Lab of Liquor Products Test of Sichuan Entry-Exit Inspection and Quarantine Bureau,Yinbin,Sichuan,644000) |
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| Abstract: | Proficiency testing can identify the laboratory capacity by comparing the results of the laboratory.At present,robust statistical techniques was used in the domestic.In the statistical processing of data of proficiency testing in our laboratory,we found,In some cases,when we analysis test data by ZB value and ZW value of the robust Z-score,single-sample robust Z-score will be more reasonable for different types of data. |
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| Keywords: | Robust Z-Score Proficiency Testing Standard Deviation |
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