Research Article
A Rough VIKOR-Based QFD for Prioritizing Design Attributes of Product-Related Service
Table 11
Ranking of PAs in the conventional, fuzzy, and rough QFD
.
| PA | Conventional QFD | Fuzzy QFD | Rough QFD | | Rank | | Rank | | Rank |
| PA1 | 0.92 | 2 | [0.64, 0.95] | 2 | [0.73, 0.96] | 2 | PA2 | 0.00 | 7 | [0.00, 0.33] | 7 | [0.00, 0.20] | 7 | PA3 | 0.53 | 4 | [0.35, 0.68] | 4 | [0.40, 0.65] | 4 | PA4 | 1.00 | 1 | [0.70, 1.00] | 1 | [0.84, 1.00] | 1 | PA5 | 0.78 | 3 | [0.53, 0.90] | 3 | [0.60, 0.86] | 3 | PA6 | 0.45 | 5 | [0.32, 0.65] | 5 | [0.35, 0.60] | 5 | PA7 | 0.21 | 6 | [0.15, 0.52] | 6 | [0.15, 0.44] | 6 |
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