Column merging Can turn 2 two level factors into a 4 level factor Can turn 2 three level factors into a six level factor Need to strike out interaction column (account for the right number of DOF!) Example on an Lg Robust System Design 16881 mit 人 Session #11Column Merging • Can turn 2 two level factors into a 4 level factor • Can turn 2 three level factors into a six level factor • Need to strike out interaction column (account for the right number of DOF!) • Example on an L8 Robust System Design 16.881 Session #11 MIT