Cuscore Control Chart Notes: Definitions & Explanations PDF | Download eBooks
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Cuscore Control Chart Definition:
A Cuscore control chart can be devised to be sensitive to very specific types of departures from the standard operating conditions for the process, or the in-control state.
Introduction to Statistical Quality Control by Douglas C. Montgomery
Cuscore Control Chart Notes:
Cuscore is the short form of cumulative score. Cuscore ?Q? can generally be calculated as the summation of et0 rt. In this formula, et0 are the residuals from in-control process while rt are the detectors which show the rate of change of the in-control residuals in the out of control situations. The charts that use Cuscore statistics are called Cuscore charts. Cuscore was proposed by Box and Ramirez in 1992 as a statistical process control technique. Cuscore charts can be used to detect signals. They are normally used as supplementary tools to monitor and control processes in situations where a specific problem might occur in the process in addition to usual types of disturbances.
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