title: How to obtain VIF using biglm package?
body: <p>I refer to this post <a href="http://r.789695.n4.nabble.com/Questions-about-biglm-td878929.html" rel="nofollow">http://r.789695.n4.nabble.com/Questions-about-biglm-td878929.html</a> which discusses on how to obtain VIF using biglm. </p>
  
  <p>Is there an alternative way of obtaining VIF from the object produced by biglm?</p>
  
  <p>Thanks for your help </p>