SOD 6.2: Second-order designs program (c) 2010 Design Computing (designcomputing.net/) Note: Best design for 3 factors in 10 runs. try # 1 seed 1284349223962 # of iterations 0 f 16.48 (0) det 65536.0 det* 0.3031 Factor levels: (1) (2) (3) 1 0 0 -1 0 0 0 1 0 0 -1 0 0 0 1 0 0 -1 -1 1 1 1 1 -1 1 -1 1 -1 -1 -1 X'X 10 6 6 6 0 0 0 0 0 0 6 4 4 0 0 0 0 0 0 6 4 0 0 0 0 0 0 6 0 0 0 0 0 0 6 0 0 0 0 -4 6 0 0 -4 0 6 -4 0 0 4 0 0 4 0 4 inverse(X'X) 0.4375 -0.1875 -0.1875 -0.1875 0 0 0 0 0 -0 0.4375 -0.0625 -0.0625 0 0 0 0 0 -0 0.4375 -0.0625 0 0 0 0 0 -0 0.4375 0 0 0 0 0 -0 0.5 0 0 0 -0 0.5 0.5 0 0 0.5 -0 0.5 0.5 0 -0 0.75 0 -0 0.75 -0 0.75 Note: Non-zero sums of squares contributing to f: 123 (-4) 1122 (4) 1133 (4) 2233 (4) Note: The first 6 run(s) form the base design. Note: SOD used 0.0010 seconds.