Defuzzification
Score Function Defuzzification: Crisp ranking score for IFN/PFN/q-ROFS families
Chen, S.M., Tan, J.M. · 1994
Strengths
- •Unified formula for q-ROFS family
- •Accuracy tiebreaker handles degenerate cases
- •Widely used in MCDM literature
Limitations
- •Score is 1D: loses hesitancy information from 2D pair
- •Equal score+accuracy → true tie, no further ranking
Method assistant
Grounded explanations: it explains the method, it does not compute.
Assumptions to verify
- •Fuzzy type selected matches input data (IFN/PFN/q-ROFS)
- •Membership constraint μ^q+ν^q ≤ 1 satisfied
When not to use
- •TFN/Gaussian inputs: wrong type
How to cite
Chen, S.M.; Tan, J.M. (1994). Handling multicriteria fuzzy decision-making problems based on vague set theory. Fuzzy Sets and Systems. https://doi.org/10.1016/0165-0114(94)90084-1