@article{akinwande2015,
  title={Variance Inflation Factor: As a Condition for the Inclusion of Suppressor Variable(s) in Regression Analysis},
  author={Michael Olusegun Akinwande and H. G. Dikko and Samson Agboola},
  year={2015},
  journal={Open Journal of Statistics},
  doi={10.4236/ojs.2015.57075},
  url={https://doi.org/10.4236/ojs.2015.57075}
}