How Many Runs Do I Need? How to Use Power and Precision to Size Factorial, Response Surface Method and Mixture Designs


presented by Brooks Henderson

This webinar begins with a review of power calculations to determine if a factorial design provides enough runs to detect important effects. Power, however, is not the appropriate tool to evaluate mixture and response surface method (RSM) designs. To properly size these experiments for optimization of products and processes, we advise using fraction of design space (FDS) as a tool. It will also discuss power, FDS, and how to apply these measures appropriately for sizing experiment designs—including how to determine a design space that meets specifications for Quality by Design (QbD).