An Early Warning Method of Distribution System Fault Risk Based on Data Mining

Table 4

Optimal features subset.

Variable	Weight	Feature
f7	0.43588	Monthly extreme weather days
f10	0.33952	Monthly gale days
f15	0.27240	Month classification
f5	0.19035	Monthly mean temperature
f21	0.16770	Total length of feeder
f13	0.16135	Maximum monthly load
f14	0.15948	Average monthly load
f16	0.12939	The geographical location classification