Interaction of Transformer Oil Parameters on Each Other and on Transformer Health Index Using Curve Estimation Regression Method

Table 2

Comparison of two regression methods to predict the relationship between furfural and acidity components of the transformer.

Equation	Model summary					Parameter estimates
	R-Square	F	df1	df2	Sig	Constant	b1
Inverse	0.569	155.864	1	118	0	0.183	0.003
Power	0.001	0.136	1	118	0.713	0.189	−0.031

Dependent variable: furfural; independent variable: acidity.