R help - Dec 2006 - Extracting tolerance in R?

Dear list,

How is the tolerance for a model parameter in an lm() call extracted?

I did not see a solution in the documentation for lm(), or predict(), nor in the
archives using 'tolerance' as the search string. I also checked into the
nlme
package, though nothing popped out at me.

Sincerely,
KeithC.

Keith.Chamberlain at colorado.edu wrote:
> Dear list,
> 
> How is the tolerance for a model parameter in an lm() call extracted?
> 
> I did not see a solution in the documentation for lm(), or predict(), nor
in the
> archives using 'tolerance' as the search string. I also checked
into the nlme
> package, though nothing popped out at me.
vif() in the car package gives variance inflation factors.

tolerance = 1/vif
> Sincerely,
> KeithC.
> 
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-- 
Chuck Cleland, Ph.D.
NDRI, Inc.
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Dear Chuck,

Thank you. Vif() is exactly what I needed!

Sincerely,
KeithC.