Intuitionistic Trapezoidal Fuzzy Multiple Criteria Group Decision Making Method Based on Binary Relation

Table 1

The clustering results for different clustering algorithm.

Different clustering algorithm	𝑛𝑘	Group member	The consistency index 𝜌 [22]
Binary relation clustering algorithm (BRCA)	5	𝑋1,𝑋2,𝑋4,; 𝑋5,𝑋6	0.6450 (BRCA)
	1	𝑋3
Vector clustering algorithm (VCA)	2	𝑋1,𝑋2	0.3029 (VCA)
	1	𝑋3
	2	𝑋4,𝑋6
	1	𝑋5
Ants-clustering algorithm (ACA)	1	𝑋1	0.6442 (ACA)
	2	𝑋2,𝑋3
	1	𝑋4
	2	𝑋5,𝑋6