Table 2 Scale of importance for pairwise comparison.
From: Analysis and ranking of corrosion causes for water pipelines: a critical review
Linguistic scale | Discrete scale (AHP) | Fuzzy scale (FAHP) |
|---|---|---|
Equal importance | 1 | (1, 1, 1) |
Equal to moderate importance | 2 | (1, 2, 3) |
Moderate importance | 3 | (2, 3, 4) |
Moderate to strong importance | 4 | (3, 4, 5) |
Strong importance | 5 | (4, 5, 6) |
Strong to very strong importance | 6 | (5, 6, 7) |
Very strong importance | 7 | (6, 7, 8) |
Very strong to extremely strong importance | 8 | (7, 8, 9) |
Extremely strong importance | 9 | (9, 9, 9) |
