The default color is Green for bars and boxes in bar and box charts. You can use the barColor attribute to assign a different color to all of the bars and boxes. Note: You cannot control color in line ...

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 ...

Modern studies have shown that the X̄ control charts with variable parameters (VPs) detect process shifts faster than the traditional X̄ control charts. This article developed the economic design of ...

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 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 ...