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

Sick woman and man have cold, flu and high fever. The Center for Disease Control (CDC) has added a new color to its flu activity level chart, indicating areas with very high levels of respiratory ...

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 ...

Norwegian classification society DNV has proposed a technology performance level (TPL) chart for perovskite PV modules. The chart features as part of DNV’s recently-released technical bankability ...