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Also note http://www.stata.com/statalist/archive/2007-03/msg00028.html
HTH
Martin
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Von: [email protected]
[mailto:[email protected]] Im Auftrag von
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Gesendet: Donnerstag, 16. April 2009 12:35
An: [email protected]
Betreff: st: beta coefficients for interaction terms
Hi Statalist,
I am working on a regression model with interactions between some
variables. I read in a book, that I can't use the "normal"
standardized beta coefficients for the interaction terms. They said
that the interpretation of the beta coefficients is not possible until
you z-standardise the interaction variables before you do the
regression.
Does anyone know, if stata does the z-standardization for the
interaction variables automatically, so I can use the normal
standardized beta coefficients (shown in the stata output) for the
interpretation?
I am using the 9.1 version of stata.
I hope someone can help me.
Best Lisa
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