变量

回归系数 $\widehat{\beta }$

标准误 $S_{\widehat{\beta }}$

t值

p值

标准回归系数

x₀

18.331603

13.091660

1.400

0.170

x₁

0.005023

0.008680

0.579

0.566

2.387e−02

x₂

1.266439

0.055332

22.888

<2e−16^***

1.061e+00

x₃

−0.046212

0.008811

−5.245

6.6e−06^***

−8.181e−02

x₄

−0.036957

0.023020

−1.605

0.117

−8.076e−03