DOE Question - Too Few Degrees of Freedom
I am very new to the JMP community - just got my account up and running the other day. I am running an experiment and I wish to see the effects of the main factors and all two-level interactions. I am using an L27 Taguchi array to account for four 3-level factors with three responses per row/per trial. I left some columns blank to make room for the two-level interactions. However, what I don't un...