作者：冷庚, 谢晴, 王彬, 杨嘉伟, 但德忠
作者单位：四川大学建筑与环境学院, 四川 成都 610065
关键词：可靠性; 定性分析; 例行分析; 快速筛选分析
摘要：
为了能更好地改善分析结果可靠性,在定性或定量分析中都应对分析结果的可靠程度进行评估。与定量分析不同,定性分析中的可靠度不能用预测值的一个区间表示。介绍了定性分析或快速筛选系统中用于评估可靠度的四种方法(即列联表、贝叶斯定理、统计间隔和性能曲线)及其应用。
Uncertainty of results in environmental routine qualitative analysis or rapid screening system
LENG Geng, XIE Qing, WANG Bin, YANG Jia-wei, DAN De-zhong
College of Architecture and Environment, Sichuan University, Chengdu 610065, China
Abstract: Uncertainty should be estimated in both quantitative and qualitative results in order to improve their reliability. Different with that of quantitative results, uncertainty in qualitative analysis cannot be expressed as an interval around the predicted value. Four different ways for uncertainty estimation of a qualitative or screening system, including contingency tables, Bayes' theorem, statistical intervals, and performance curves, were reviewed in this paper. Also their advantages, drawbacks and main applications were highlighted.
Keywords: Uncertainty; Qualitative analysis; Routine analysis; Rapid screening system
2010, 36(3): 92-96 收稿日期: 2009-8-21;收到修改稿日期: 2009-12-6
基金项目:
作者简介: 冷庚(1985-),男,四川成都市人,博士研究生,主要从事环境监测及仪器分析研究。
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