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2011 Mar 31
1
Effects - plot the marginal effect
Hello,
I try to plot the marginal effect by using package "effects" (example of the
graph i want to get is in the attached picture).
All variables are continuous.
Here is regression function, results and error effect function gives:
> mreg01 = lm(a90$enep1 ~ a90$enpres + a90$proximity1 + (a90$enpres * a90$proximity1), data=a90)> summary(mreg01)
Call:
lm(formula = a90$enep1 ~ a90$enpres + a90$proximity1 + (a90$enpres *
a90$proximity1), data = a90)
Residuals:
Min 1Q Median 3Q Max
-2.3173 -1.3349 -0.5713 0.8938 8.1084
Coefficients:...