Research on Utility Evaluation of Grid Investment considering Risk Preference of Decision-Makers

Table 4

Evaluation results of the improved D-DEA algorithm.

Index/project	A	B	C	D	E	F	Average efficiency change (%)	Overall deviation rate (%)
A1	0.917	1	0.944	1	0.911	0.964	3.90	8.73
A2	1	0.937	0.92	0.927	0.93	0.963	2.49	6.77
A3	1	0.94	0.974	0.955	0.976	0.905	4.88	7.41
A4	1	1	0.972	0.936	0.976	1	4.65	5.67
A5	0.935	0.97	1	0.934	0.943	0.91	6.64	7.08
A6	0.967	0.923	0.956	1	0.961	0.959	3.19	5.50
B1	1	0.942	0.948	0.907	0.914	0.953	3.30	7.42
B2	0.908	0.942	0.932	1	0.961	0.903	4.68	8.06
B3	1	1	0.921	0.946	0.931	1	2.72	8.44
C1	1	0.935	0.906	0.965	0.953	0.943	2.35	7.03
C2	0.93	0.908	0.92	0.904	1	0.934	6.14	7.83
C3	0.95	0.95	0.972	0.965	1	0.953	5.32	4.32
D1	1	0.929	0.923	0.945	1	0.992	3.01	8.15
D2	0.957	1	0.927	0.968	0.939	0.914	4.76	6.94
D3	1	0.952	0.913	1	0.929	0.902	2.41	9.55
D4	0.953	1	0.927	0.924	0.904	0.928	4.98	7.50
Original value	1	0.932	0.907	1	0.912	1	—	—