[Retracted] Preorder of Factors Affecting Oil Prices: Fuzzy PROMETHEE Approach

Table 2

Linguistic variable “influence” and corresponding fuzzy numbers.

Rating of factors	Triangular fuzzy numbers
Poor	(0.00, 0.00, 0.25)
Average	(0.00, 0.25, 0.50)
Influence	(0.25, 0.50, 0.75)
Very influence	(0.50, 0.75, 1.00)
Extremely influence	(0.75, 1.00, 1.00)