A Review and Analysis of Cause-Selecting Control Charts

Article

Wade, Mark; Woodall, William   (1993, ASQC)   University of Alabama

Journal of Quality Technology    Vol. 25    No. 3
QICID: 11358    July 1993    pp. 161-169
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Article Abstract

Cause-selecting control charts use incoming quality measurements and out-going quality measurements in an attempt to distinguish between in-coming quality problems and problems in the current operation of a manufacturing process. We examine the assumptions underlying this useful type of chart and its relationship with the multivariate T2 chart. We propose using prediction limits with cause-selecting charts to improve their statistical performance.

Keywords

Hotelling's T2 statistic,Shewhart control chart,Regression analysis,Multivariate control charts


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