| A Multiple Exponential Smoothing Scheme For Quality Control |
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| 引用本文： | C D LAI,DONG QIAN WANG. A Multiple Exponential Smoothing Scheme For Quality Control[J]. 数理统计与管理, 1993, 0(6) |
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| 作者姓名： | C D LAI DONG QIAN WANG |
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| 作者单位： | Department of Statistics Massey University，Department of Statistics Massey University Palmerston North New Zealand，Palmerston North New Zealand |
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| 摘 要： | ![]()
1. INTRODUCTIONRoberts (1959) first introduced the exponentially weighted movingaverage (EWMA) control scheme. Such a scheme is useful for detectingsmall shifts in the mean of a process. Like Shewhart and cumulativesum (CUSUM) control schemes, an EWMA control scheme is easy toimplement and interpret. For the purpose of providing signals the clas-sical Shewhart chart has no memory, i. e. it ignores the immediate history. The CUSUM chart, however, has too much memory, giving equalwe…
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A Multiple Exponential Smoothing Scheme For Quality Control |
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