L
9
(3
4
) Orthogonal array
Independent Variables
Performance
Parameter Value
Experiment #
Variable 1
Variable 2
Variable 3
Variable 4
1
1
1
1
1
p1
2
1
2
2
2
p2
3
1
3
3
3
p3
4
2
1
2
3
p4
5
2
2
3
1
p5
6
2
3
1
2
p6
7
3
1
3
2
p7
8
3
2
1
3
p8
9
3
3
2
1
p9