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Designing Multi-Step Fractional Factorial Split-Plots: A Combined JMP® and SAS® User Application

In the past 10 years, there has been an increase in research and software development in the design of experiments for split-plot situations. As supply chains grow across the globe and complexity increases, it is necessary to design experiments for processes involving three, four, or more steps. New features in PROC FACTEX in SAS® 9.2 make it possible to design fractional factorial split-plots for multi-step situations. This paper gives a brief introduction on how to design fractional factorial split-plots for multi-step situations using real industrial examples, and shows how JMP® users can take advantage of these new capabilities using a JMP® application.