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to each other, while the KW interaction is still emphasized and the
interactions with the solvers become less emphasized.
From the earlier analysis, we see that the solvers’ performances
get more and more closer to each other as the coefficient of variation
of the demand distribution gets smaller and the worst performances
Interaction plot for RESP
1
K
W
S
1 23456
8
K
W
1
2
3
4
1
2
3
4
4
0
8
0
23
Fitted means
Figure 13.2 Factor interaction for D2.
Interaction plot for RESP
1
K
W
S
1234 56
20
K
W
1
2
3
4
1
2
3
20
10
10
0
0
23
Fitted means
Figure 13.1 Factor interaction for D1.