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

Table 6

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

Variables	Residual	Ln EX	LnGDP	LnCK2	LnCK3	LnCK4
Dickey–Fuller	−3.8252	−1.2582	−1.59	−1.0486	−1.732	−1.3833
value	0.03391	0.855	0.7286	0.9134	0.6745	0.8073
Results	Stationary	Nonstationary	Nonstationary	Nonstationary	Nonstationary	Nonstationary