The endophthalmitis data between 01/07/97 and 30/06/07 (10 years) at the Royal Gwent Hospital were analysed using the control chart method. Certain criteria related to the control chart were employed ...

Control charts that are properly constructed and maintained prevent false out-of-control signals and provide a useful method for monitoring a process. Process control is and has been an important ...

Control charts have been widely used for monitoring production processes and identifying assignable causes of variability. Many papers investigate the application of control charts in different ...

Control charts have two general uses in an improvement project. Undeniably, the most common application is as a tool to ...

The extent to which products meet specifications needs to be systematically monitored in a production process. Product quality will typically be defined by two quantities: deviations from stated ...

Statistical process control (SPC) charts provide a natural approach to analysing time series data for healthcare quality ...