1Group Health Cooperative of South Central Wisconsin, Madison, USA. John_Hansen@ghc-hom.com
You might also read
Articles linked to this work by shared authors, journal, and citation graph.
Statistical process control (SPC) monitors processes with frequent samples over time. X-bar and S control charts identify process variations, distinguishing common from special causes for performance assessment.
Area of Science:
Background:
Purpose of the Study:
Main Methods:
Main Results:
Conclusions: