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Re: st: Fwd: How to interpret regression?


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Fwd: How to interpret regression?
Date   Tue, 25 Sep 2012 16:35:25 +0200

On Tue, Sep 25, 2012 at 3:57 PM, Joerg Luedicke wrote:
> In any case, I find it hard to see why you would include wealth
> as a continuous variable and a categorical version of wealth in the
> same model.

In that case you'll get a step function with a slope, which is not
necessarily wrong but often hard to justify. If that appeals to
someone, than a linear spline will probably appeal to such a person
even more, especially since a linear spline often makes much more
sense. See -help mkspline-.

-- Maarten

---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
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