Table A12 VIF test for multicollinearity...

Table A12

VIF test for multicollinearity

Variable	VIF	1/VIF
In system shutdowns	4.79	0.20
L1	4.79	0.20
In frequency of power outages	3.50	0.28
L1	3.50	0.28
In system shutdowns	3.26	0.30
L2	3.21	0.31
D. technical faults	3.03	0.33
L1	2.68	0.37
In failed equipment	2.64	0.37
L1	2.64	0.37
D. trees	2.54	0.39
D. technical faults
L3	2.53	0.39
L2	2.50	0.39
D. trees	2.49	0.40
L1	2.49	0.40
In rainfall
L1	2.35	0.42
L2	2.29	0.43
D. technical faults	2.24	0.44
L4	2.24	0.44
In rainfall	2.00	0.49
L3	1.76	0.56
In theft and vandalism	1.56	0.63
L1	1.56	0.63
In failed equipment	1.44	0.69
Theft and vandalism	1.42	0.70
System overload	1.33	0.75
L1	1.32	0.75
In maintenance and repairs costs	1.27	0.78
L1	1.08	0.92
Mean VIF	2.31

Variable	VIF	1/VIF
In system shutdowns	4.79	0.20
L1	4.79	0.20
In frequency of power outages	3.50	0.28
L1	3.50	0.28
In system shutdowns	3.26	0.30
L2	3.21	0.31
D. technical faults	3.03	0.33
L1	2.68	0.37
In failed equipment	2.64	0.37
L1	2.64	0.37
D. trees	2.54	0.39
D. technical faults
L3	2.53	0.39
L2	2.50	0.39
D. trees	2.49	0.40
L1	2.49	0.40
In rainfall
L1	2.35	0.42
L2	2.29	0.43
D. technical faults	2.24	0.44
L4	2.24	0.44
In rainfall	2.00	0.49
L3	1.76	0.56
In theft and vandalism	1.56	0.63
L1	1.56	0.63
In failed equipment	1.44	0.69
Theft and vandalism	1.42	0.70
System overload	1.33	0.75
L1	1.32	0.75
In maintenance and repairs costs	1.27	0.78
L1	1.08	0.92
Mean VIF	2.31

Source(s): STATA software 17 output

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