How to have subfactors - easy procedure?
Hello all,I want to perform design of experiments and learn maximum about interaction between 3 sub categories.I want to have model where i have 4 factors - F1, F2, F3 & F4Under Factor F1, i have 4 subfactors - F1a, F1b, F1c, F1dUnder Factor F2, i have 3 subfactors - F2a, F2b, F2cUnder Factor F3, i have 3 subfactors - F3a, F3b, F3cand F4 dont have any subfactor. it is just F4.So, in total, i have ...