A new nonparametric quality control technique
作者:
Peter Hack1,
Johannes Ledolter,
期刊:
Communications in Statistics - Simulation and Computation
(Taylor Available online 1992)
卷期:
Volume 21,
issue 2
页码: 423-443
ISSN:0361-0918
年代: 1992
DOI:10.1080/03610919208813027
出版商: Marcel Dekker, Inc.
关键词: CUSUM chart;ezponentially weighted moving average;robustness;run length;sequential ranks;Shewhart chart
数据来源: Taylor
摘要:
Traditional control chart procedures process the information in the time sequence plot of successive values of the control variable. In this paper we consider a control chart procedure that uses the sequential ranks of the observations. The sequential rank of an observation is defined as its rank among the most recent g observations. A control chart technique that considers exponentially weighted moving averages (EWMA) of sequential ranks is proposed. This new nonparametric technique is outlier-resistant, and it performs well if one is concerned about slowly trending process levels.
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