[R] Trouble about the interpretation of intercept in lm models

[Stefano Leonardi]

David Winsemius wrote:
> 
> On Jan 13, 2009, at 5:54 PM, Stefano Leonardi wrote:
> 
>> David Winsemius wrote:
>>> It would be so *if* you had estimated a saturated model, but you did 
>>> not. Your fit
>>> of Y|A values is adjusted for the B values.
>> Thank you.
>> What do you exactly mean by "Y|A values is adjusted for the B values"?
> 
> Another way of expressing it ...  the fit of Y|A in the A levels is a 
> weighted average of Y|A,B=0, Y|A,B=1, and Y|A,B=2.

Thanks again. Do you have suggestion for a book (or something else) 
where I can study these things?

Cheers

Stefano

-- 
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  Stefano Leonardi
  Dipartimento di Scienze Ambientali
  Universita` di Parma                E-mail: stefano.leonardi at unipr.it
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