Control charts have two general uses in an improvement project. Undeniably, the most common application is as a tool to monitor process stability and control. A less common, although some might ...

Peihua Qiu, Changliang Zou, CONTROL CHART FOR MONITORING NONPARAMETRIC PROFILES WITH ARBITRARY DESIGN, Statistica Sinica, Vol. 20, No. 4 (October 2010), pp. 1655-1682 ...

This paper deals with phase II, univariate, statistical process control when a set of in-control data is available, and when both the in-control and out-of-control distributions of the process are ...

Mean control charts and range control charts provide different perspectives on a process. The logic of using both charts is that the mean chart picks up the shift in the process mean, but because the ...