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st: graph interaction curve
From
Fabio Zona <[email protected]>
To
[email protected]
Subject
st: graph interaction curve
Date
Fri, 25 Feb 2011 17:10:47 +0100 (CET)
Hi,
I am really having hard time to graph an interacion between a curve and a linear moderator.
this is the equation:
Y = a + X + X^2 + moderator + X * moderator
Is there an easy way to graph the curve and see how it changes, for different values of the moderator?
Also, I have another equation (more complex) with the same challenge:
Y = a + X + X^2 + moderator + X*moderator + X^2 * moderator
Thanks a lot!
f
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