Hi,
I am trying to graph a two-way plot of a dependent and an explanatory
variable together with a fitted line, where the line is fitted with a
linear regression containing two dummy variables. When I do, the fitted
line doesn't come out linear, but incorporates the fitted values of the
observations where the dummies are 1. The only way I found of how to make
the fitted line look linear is to exclude from the graph the two
observations where the dummies are 1. Anyone know of a more
elegant/efficient way ? Viz. what I find puzzling is that the two dummies
are screwing up the linear graph of the fitted line, but the individual
fixed effects which I also have in the regression are not ?
Thanks
Ralph
Ralph Heinrich
Economic Affairs Officer
Economic Analysis Division
UN Economic Commission for Europe
room 441
Palais des Nations
1211 Geneva 10
phone: 0041 22 917 1269
http://www.unece.org/ead/ead_h.htm
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