Constructing a Risk Assessment Framework for Building Integrated Photovoltaic (BIPV) Projects from the Perspective of Four-Dimensional Risk

Table 7

The distance between 17 risk indicators and corresponding risk grades and variable weights.

Risk indicator	I	II	III	IV	V	Variable weights
V11	2.240	0.240	-0.240	1.760	3.760	0.053
V12	4.236	2.236	0.236	-0.236	1.764	0.059
V13	3.168	1.168	-0.832	0.832	2.832	0.074
V21	4.620	2.620	0.620	-0.620	1.380	0.058
V22	3.146	1.146	-0.854	0.854	2.854	0.057
V23	2.864	0.864	-0.864	1.136	3.136	0.066
V24	1.812	-0.188	0.188	2.188	4.188	0.067
V25	3.326	1.326	-0.674	0.674	2.674	0.051
V26	5.126	3.126	1.126	-0.874	0.874	0.052
V31	1.472	-0.528	0.528	2.528	4.528	0.071
V32	2.434	0.434	-0.434	1.566	3.566	0.069
V33	1.418	-0.582	0.582	2.582	4.582	0.052
V34	2.552	0.552	-0.552	1.448	3.448	0.048
V41	3.398	1.398	-0.602	0.602	2.602	0.051
V42	3.369	1.369	-0.631	0.631	2.631	0.055
V43	4.058	2.058	0.058	-0.058	1.942	0.053
V44	3.686	1.686	-0.314	0.314	2.314	0.064