Thanks very much everyone, very helpful.
Galina
----- Original Message -----
From: "Maarten buis" <[email protected]>
To: [email protected]
Sent: Sunday, March 15, 2009 11:48:52 AM GMT -05:00 US/Canada Eastern
Subject: Re: st: R: linear regression question
--- On Sun, 15/3/09, Carlo Lazzaro wrote:
> your thread seems to refer to a log-linear model, where
> only the dependent variable (i.e., Y) is log-transformed.
>
> In a log-linear model, a unit-change in the independent
> variable X (i.e., DeltaX=1)is associated with a 100*Beta%
> change in Y.
This is one possible way of interpreting such a model. An
alternative way is discussed in: Roger Newson (2003) "Stata
Tip 1: The eform() option with regress" The Stata Journal,
3(4): 445.
http://www.stata-journal.com/article.html?article=st0054
Both interpretations are correct, they are just different
ways of looking at the same model.
Hope this helps,
Maarten
-----------------------------------------
Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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