Comparison of the decision results between the AHP–PCA–GP and AHP–GP models. AHP–GP approach chose the alternative 6 with the objective value of 2.295 and AHP–PCA–GP approach chose the alternative 5 with the objective value of 1.705
Comparison of the decision results between the AHP–PCA–GP and AHP–GPmodels. AHP–GP approach chose the alternative 6 with the objective value of 2.295and AHP–PCA–GP approach chose the alternative 5 with the objective value of1.705