Design & Factor Selection
Design Types & Categories
Ordinal Level Format - Levels ordered with origin one, i.e., 1, 2, 3, .....
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).