[R] How to get predicted values of y for different x values?
halptekin at gmail.com
Tue Jul 19 19:03:53 CEST 2011
Here is my model with interaction terms and control variables (I changed
variables names for easy read):
reg1 <- lm(y ~ x1*x2*x3 +control1 + control2 + control3)
x1 ranges from 0 to 6; x2 from 0 to 5; and x3 from 0 to 4. All three are
discrete ordinal variables; but I will treat them as continuous variables.
(a) How can I see the predicted values of y for each of these scenarios (210
scenarios I guess)?
(b) How can I see the predicted value of y for the minimum and maximum
values of x1, x2, and x3 (8 scenarios)?
(c) How can I see the predicted value of y for x1=6; x2=5; and x3=4 (1
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