Correct number of centerpoints for a fractional factorial, is there a rule?
Post by: Rick Haynes
Tweet A student from our online Black Belt course asked a question about fractional factorial DOE center points. What is the best number to choose? I know what I was taught, but it was not a rule. I then asked Forrest, who gave the same answer. Use 3-5 centerpoints in an 16 trial DOE. But [...]