Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
| From | Maarten Buis <maartenlbuis@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: plotting marginal effect for xtreg interaction terms |
| Date | Wed, 19 Oct 2011 15:23:17 +0200 |
On Wed, Oct 19, 2011 at 1:54 PM, lreine ycenna <lreine.ycenna@gmail.com> wrote: > I seem to have made an error somewhere in my command, but I don't know where. > (1) stata returns an error message after the first line of my command > is entered (xtreg Y A B AxB, fe)- independent variables are collinear > with the panel variable cn r(198); It probably means that the combination of A and B is constant within the groups for which you defined fixed effects. So you cannot estimate that model. > (2) I'm not sure whether I can plot the marginal effect for xtreg. > Correct me if im wrong. <http://www.ats.ucla.edu/stat/stata/faq/margins_graph12.htm> Hope this helps, Maarten -------------------------- Maarten L. Buis Institut fuer Soziologie Universitaet Tuebingen Wilhelmstrasse 36 72074 Tuebingen Germany http://www.maartenbuis.nl -------------------------- * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/