QFD Based Benchmarking Logic Using TOPSIS and Suitability Index

Table 2

Normalized data for 10 curtain wall products.

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
Max	1.00	1.00	1.00	1.00	100	80	0.00	5	3	1
Min	0.00	0.00	0.00	0.00	0	25	0.06	1	1	0
1	0.82	0.80	0.69	0.31	0.30	0.20	0.67	0.50	1.00	1
2	0.76	0.73	0.58	0.42	0.40	0.16	0.50	0.75	1.00	1
3	0.70	0.66	0.68	0.32	0.50	0.36	0.33	1.00	0.00	1
4	0.78	0.75	0.65	0.35	0.45	0.45	0.17	1.00	1.00	1
5	0.85	0.81	0.64	0.36	0.60	0.67	0.50	0.50	0.50	1
6	0.75	0.72	0.58	0.42	0.50	0.27	0.33	0.75	0.50	1
7	0.84	0.80	0.49	0.51	0.40	0.45	0.83	0.25	1.00	1
8	0.74	0.71	0.60	0.40	0.54	0.78	0.67	0.50	0.50	1
9	0.86	0.83	0.56	0.44	0.59	0.51	0.50	0.25	0.00	1
10	0.80	0.77	0.53	0.47	0.43	0.18	0.67	0.75	1.00	1

Product ID (): current solution.