Research Article
Calculation of a Health Index of Oil-Paper Transformers Insulation with Binary Logistic Regression
Table 7
Variables evaluation with five factors.
| Variables | | SE | Wald | Df | Sig. |
| Water | | 0.183 | 1.065 | 1 | 0.302 | Acidity | | 16.515 | 1.399 | 1 | 0.237 | BDV | | 0.105 | 2.022 | 1 | 0.155 | DCG | | 0.006 | 1.658 | 1 | 0.198 | 2-Furfuraldehyde | | 0.242 | 2.903 | 1 | 0.088 | Constant | | 6.934 | 0.428 | 1 | 0.513 |
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