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st: interaction graph
From
Fabio Zona <[email protected]>
To
[email protected]
Subject
st: interaction graph
Date
Sat, 22 Jan 2011 19:16:27 +0100 (CET)
dear statalist,
I have this model:
Y = controls + X + X^2 + DUMMY + X*DUMMY + X^2 * DUMMY
That is, a quadratic relation (X and X^2) is moderated by a dummy variable.
I need to graph the two curves, to show the interaction effect. How can I do this in Stata?
Thanks
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