Dear S.,

On Wed, 14 Sep 2011 16:48:55 +0100
 S Ellison <s.elli...@lgcgroup.com> wrote:
> > From: John Fox [mailto:j...@mcmaster.ca] 
> > Subject: Re: [R] Force regression line to a 1:1 relationship
> > If I understand correctly what you said, a plot of residuals 
> > against an X is not an added-variable plot. An added variable 
> 
> 'Added variable plots' was the phrase used by the previous poster, and the 
> description was also theirs, not mine. I intended only to draw attention to 
> the fact that a-v plots are available in car - and thank you for putting them 
> there! - as the previous poster hadn't mentioned the fact. 
> 
> I confess that I did not check the description given by the previous poster  
> before doing so. You're quite right; as written it does not correspond to the 
> usual meaning of the term.
> 
> Apologies if I contributed to a confusion...
> 

And I apologize for incorrectly attributing the erroneous definition of AV 
plots (as was also pointed out to me by David Winsemius).

Best,
 John

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