Table 5 Collinearity test of influencing factors.

From: Spatial heterogeneity of grain production resilience and its influencing factors in China: based on geographically weighted regression analysis

 

2016

2018

2020

2022

Variable

p value

VIF

p value

VIF

p value

VIF

p value

VIF

FSA

0.000

1.674

0.000

1.412

0.000

1.490

0.000

1.275

PS

0.000

1.089

0.000

1.043

0.000

1.051

0.000

1.058

API

0.000

1.848

0.000

1.513

0.112

1.547

0.014

1.465

lnRMS

0.000

1.362

0.000

1.234

0.000

1.175

0.000

1.280

Back to article page