[Retracted] Grey Relational Analysis Method for Probabilistic Double Hierarchy Linguistic Multiple Attribute Group Decision Making and Its Application to College Tennis Classroom Teaching Effect Evaluation

Table 10

GRC of each alternative from PDHLPIS.

Alternatives	D1	D2	D3	D4
C1	0.5725	1.0000	0.2233	0.5195
C2	0.4343	0.5443	0.3075	0.6043
C3	0.5949	0.7925	1.0000	1.0000
C4	0.4081	0.6043	0.3243	0.5931
C5	1.0000	0.5443	0.3075	0.6281