QFD Based Benchmarking Logic Using TOPSIS and Suitability Index

Table 4

Comparison in initial performance data.

Product	value; (glazing)	value; (total)	SHGC; (summer)	SHGC; (winter)	VT	CR	AT	Aesthetic	WS	WT
	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Distance; scale	Ordinal; scale ()	Ordinal; scale ()	Binary; scale
7	0.16	0.20	0.51	0.51	40	50	0.01	2	3	1
8	0.26	0.29	0.40	0.40	54	68	0.02	3	2	1
11	0.16	0.20	0.40	0.40	54	68	0.01	3	2	1

Product ID (): current solution; product ID (): benchmarking solution; product ID (): RPC.