Re: st: VIF different between -vif- and -collin-

[Richard Williams <Richard.A.Williams.5@nd.edu>]

At 08:09 PM 12/16/2004 +0100, you wrote:
> Dear All:
>
> I compute the VIF (Variance Inflation Factor) in two different ways:
> after -regress- and with -collin-. Surprisingly, I find different
> figures. I checked in the help files but did not find the explanation. I
> might be wrong somewhere. I provide below the commands I use:
Are the samples identical?  They might not be if absence1 has missing 
data.  Try

collin common ownership finance_aggregate if absence1 < .


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