Analyzing the Impact of Ambient Temperature Indicators on Transformer Life in Different Regions of Chinese Mainland

Table 4

The regression coefficients.

Region	𝑦=𝛽0+𝛽1𝑥1+𝛽2𝑥2+𝛽3𝑥3
	𝛽0	𝛽1	𝛽2	𝛽3
Dongbei	6.6077	−0.0238	−0.0535	−0.0517
Huabei	5.8204	−0.0225	−0.0388	−0.0393
Huadong	5.9147	−0.0197	−0.0366	−0.0520
Huazhong	4.6873	−0.0197	−0.0300	−0.0303
Xibei	5.3413	−0.0251	−0.0312	−0.0312
Nanfang	4.9882	−0.0301	−0.0311	−0.0306