Design & Factor Selection
Design Types & Categories
When doing an analysis it may be desirable to include interactions not in the original design requirements. Such added interactions may be included if the data can satisfy them. When it cannot, the design may be extended to include runs to satisfy the interactions. The extended design usually consists of a few runs added to the original design. The Analysis Array will then consist of both the original array and its extension.
Learn more about the DOE tools for designed experiments in Six Sigma Demystified (2011, McGraw-Hill) by Paul Keller, in his online Intro. to DOE short course (only $99) or online Advanced Topics in DOE short course (only $139), or his online Black Belt certification training course ($875).