Research on the Influencing Factors of Russian Foreign Trade Based on R Language Regression Analysis

Table 8

Unit root test results of the variables in the import/export model.

Variables	Residual	Ln GDP	Ln	Ln JCKSP3	Ln JCKSP5	Ln JCKSP6	Ln JCKSP7
Dickey–Fuller	−5.3313	−1.59	−1.3888	−1.604	−1.0777	−1.5839	−1.3785
value	0.01	0.7286	0.8052	0.7232	0.9092	0.7309	0.8091
Results	Stationary	Nonstationary	Nonstationary	Nonstationary	Nonstationary	Nonstationary	Nonstationary