Control charts using minima instead of averages


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Albers, W. and Kallenberg, W.C.M. (2006) Control charts using minima instead of averages. In: Proceedings of the Joint Statistical Meetings, 6-10 August 2006, Seattle.

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Abstract:Traditional control charts are commonly based on the averages of the inspected groups of observations. It turns out to be quite worthwhile to consider alternative approaches. In particular, a very good proposal is to use instead the group minimum for comparison to some suitable upper limit (and likewise the group maximum for comparison to a lower limit). The power of detection during Out-of-Control of the resulting chart is comparable to that of the standard Shewhart approach, while it offers much better protection to the effects of parameter estimation and/or nonnormality than the traditional methods.

Item Type:Conference or Workshop Item
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Electrical Engineering, Mathematics and Computer Science (EEMCS)
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