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re: AW: st: AW: beta coefficients for interaction terms


From   lschoele@rumms.uni-mannheim.de
To   statalist@hsphsun2.harvard.edu
Subject   re: AW: st: AW: beta coefficients for interaction terms
Date   Tue, 21 Apr 2009 16:10:04 +0200

I tried it out and got different figures for the beta coefficient. Thats why I asked that question.
It should give me the same figures, right?

Zitat von Christopher Baum <baum@bc.edu>:

<>
Why don't you just try it out?

sysuse auto, clear
egen shead = std(headroom)
egen slength = std(length)
egen smpg = std(mpg)
gen ia2 = shead*slength
egen sia2 = std(ia2)
reg smpg shead slength sia2
reg mpg headroom length ia2, beta

Kit Baum   |   Boston College Economics and DIW Berlin   |
http://ideas.repec.org/e/pba1.html
An Introduction to Stata Programming   |
http://www.stata-press.com/books/isp.html
An Introduction to Modern Econometrics Using Stata   |
http://www.stata-press.com/books/imeus.html

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