Table A8

VIF test for multicollinearity

VariableVIF1/VIF
In system shutdowns1.400.715
In maintenance and repair costs1.300.769
In failed equipment1.220.820
In technical faults1.200.836
System overload1.160.863
In rainfall1.150.869
Theft and vandalism1.070.933
Trees1.060.939
Mean VIF1.19 

Source(s): STATA software 17 output

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