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

Table 3

The direct influence matrix.

Indicator	V11	V12	V13	V21	V22	V23	V24	V25	V26	V31	V32	V33	V34	V41	V42	V43	V44
V11	0	1	3	1	0	0	0	0	0	0	0	0	0	2	0	3	2
V12	0	0	0	0	0	0	0	3	0	0	0	0	0	0	3	2	1
V13	0	3	0	2	3	3	0	2	0	0	0	0	0	0	0	1	1
V21	0	0	2	0	3	3	2	0	2	0	0	4	3	0	0	0	2
V22	0	0	3	0	0	0	3	0	0	0	0	0	3	0	0	0	0
V23	0	1	2	2	1	0	3	0	0	0	0	0	1	0	2	0	1
V24	0	0	0	0	1	3	0	0	0	0	0	0	0	0	1	1	3
V25	0	0	3	1	0	2	2	0	0	0	0	0	0	0	0	0	0
V26	0	3	3	2	3	4	3	0	0	0	0	3	1	0	0	1	1
V31	2	3	4	1	1	2	4	0	0	0	0	0	0	1	0	1	3
V32	0	3	1	3	4	4	2	1	0	3	0	0	0	0	0	2	2
V33	0	0	0	0	2	0	0	0	0	0	0	0	0	0	0	1	4
V34	0	0	2	0	0	0	0	0	0	0	0	0	0	0	0	0	4
V41	3	4	4	0	0	0	0	0	0	0	0	0	0	0	2	0	2
V42	0	0	0	2	0	0	0	3	0	0	0	0	0	0	0	0	0
V43	0	3	2	0	0	0	0	0	0	0	0	0	0	4	3	0	2
V44	0	3	0	0	0	0	0	0	0	0	0	0	0	0	3	1	0