Evaluating and Enhancing Three-Dimensional Printing Service Providers for Rapid Prototyping Using the DEMATEL Based Network Process and VIKOR

Table 6

(a) The average performance scores for each supplier. (b) Compromise ranking results by VIKOR.

(a)

Criterion	Supplier
	A	B	C	D	E	F
CPM	4.333	3.778	3.818	3.100	3.333	4.000
MHL	4.000	3.667	3.273	3.000	3.333	3.333
MPD	4.556	3.778	3.273	3.000	2.667	3.333
RPE	4.222	4.111	3.818	3.500	3.667	4.000
PNT	3.667	3.778	3.636	3.100	3.333	3.667
TQS	4.222	3.889	3.636	2.800	3.000	3.667
PME	4.000	4.222	3.727	3.200	3.333	3.333
PMT	3.778	4.000	3.455	3.300	3.000	3.667
QIT	3.333	3.556	3.455	3.500	3.000	3.333
FAE	4.111	3.333	3.273	3.300	3.000	3.333
MDC	3.778	3.556	3.545	3.100	3.333	3.667
FUS	3.111	2.889	3.455	2.700	3.667	3.333

(b)

Criterion	Supplier
	A	B	C	D	E	F
CPM	0.406	0.354	0.358	0.291	0.313	0.375
MHL	0.301	0.276	0.246	0.226	0.251	0.251
MPD	0.418	0.347	0.301	0.275	0.245	0.306
RPE	0.366	0.356	0.331	0.303	0.318	0.346
PNT	0.274	0.283	0.272	0.232	0.249	0.274
TQS	0.393	0.362	0.338	0.260	0.279	0.341
PME	0.342	0.361	0.319	0.274	0.285	0.285
PMT	0.316	0.334	0.289	0.276	0.251	0.306
QIT	0.241	0.257	0.250	0.253	0.217	0.241
FAE	0.323	0.262	0.257	0.259	0.236	0.262
MDC	0.335	0.315	0.314	0.275	0.295	0.325
FUS	0.237	0.220	0.263	0.205	0.279	0.253
Sum	3.952	3.727	3.537	3.130	3.217	3.567
VIKOR	1.000	0.943	0.895	0.792	0.814	0.903
Rank	1	2	4	6	5	3