Table 6: Optimization process carried out in each variable for robust method.
VariableAim in TaguchiRobust
𝑡 5 0 % Smaller is best (to120 minutes) 𝐴 1 𝐵 − 1 𝐶 1 𝐷 0 𝐸 1 𝐹 − 1 𝐺 − 1 𝐻 1
AUCBigger is best 𝐴 − 1 𝐵 − 1 𝐶 0 𝐷 0 𝐸 1 𝐹 0 𝐺 0 𝐻 1
EEBigger is best 𝐴 1 𝐵 0 𝐶 0 𝐷 0 𝐸 1 𝐹 0 𝐺 1 𝐻 − 1
SRBigger is best 𝐴 1 𝐵 − 1 𝐶 − 1 𝐷 0 𝐸 0 𝐹 0 𝐺 − 1 𝐻 1
SFBigger is best 𝐴 − 1 𝐵 0 𝐶 1 𝐷 − 1 𝐸 0 𝐹 − 1 𝐺 − 1 𝐻 0
DmSmaller is best 𝐴 − 1 𝐵 − 1 𝐶 0 𝐷 − 1 𝐸 0 𝐹 − 1 𝐺 − 1 𝐻 1