Calculation of a Health Index of Oil-Paper Transformers Insulation with Binary Logistic Regression

Table 12

Comparison of the health conditions produced by the presented method and the health conditions produced by method in [26].

Method in [26]	Proposed method				Total by method in [26]
	G	M	B	VB
Normal condition	30	3			33
Attention condition	2	25	1		28
Abnormal condition		2	22		24
Severe condition				15	15
Total by proposed method	32	30	23	15	100

Note: G: good; M: moderate; B: bad; VB: very bad.