Extended Research on Grey Target Decisions for a Variable Target Centre Based on Decision Maker Preferences

Table 1

Target centre distances normalised by different methods.

Sic		1.8	1.4	2.7	1.2	3.6	2.4	1.3	2.1	1.5	1.7
Ra/3.6		1.8	2.2	0.9	2.4	0	1.2	2.3	1.5	2.1	1.9
Rdd/4.0		2.2	2.6	1.3	2.8	0.4	1.6	2.7	1.9	2.5	2.3
Rds/2.0		0.2	0.6	0	0.8	0	0	0.7	0	0.5	0.3
Min-max method	ra	0.7500	0.9167	0.3750	1.0000	0	0.5000	0.9583	0.6250	0.8750	0.7917
	rds	0.7500	0.9167	0.3750	1.0000	0	0.5000	0.9583	0.6250	0.8750	0.7917
	rds	0.2500	0.7500	0	1.0000	0	0	0.8750	0	0.6250	0.3750
Vector method	ra	0.3200	0.3911	0.1600	0.4266	0	0.2133	0.4088	0.2666	0.3733	0.3377
	rdd	0.3234	0.3821	0.1911	0.4115	0.0588	0.2352	0.3968	0.2793	0.3674	0.3381
	rds	0.1463	0.4388	0	0.5850	0	0	0.5119	0	0.3656	0.2194
Linear proportional method	ra	0.7500	0.9167	0.3750	1.0000	0	0.5000	0.9583	0.6250	0.8750	0.7917
	rdd	0.7857	0.9286	0.4643	1.0000	0.1429	0.5714	0.9643	0.6786	0.8929	0.8214
	rds	0.2500	0.7500	0	1.0000	0	0	0.8750	0	0.6250	0.3750
Linear method	ra	0.1104	0.1350	0.0552	0.1472	0	0.0736	0.1411	0.0920	0.1288	0.1166
	rdd	0.1084	0.1281	0.0640	0.1379	0.0197	0.0788	0.1330	0.0936	0.1232	0.1133
	rds	0.0645	0.1935	0	0.2581	0	0	0.2258	0	0.1613	0.0968