Hybrid Soft Computing Schemes for the Prediction of Import Demand of Crude Oil in Taiwan

Table 3

Collinearity diagnosis for MLR modeling.

Variable 𝑋𝑖	𝑋4	𝑋5	𝑋7	𝑋13	𝑋19	𝑋22
VIF	1.52	2.04	3.91	1.99	4.36	1.49