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| From | Maarten Buis <maartenlbuis@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: A question about -margins- |
| Date | Tue, 27 Mar 2012 09:17:05 +0200 |
On Mon, Mar 26, 2012 at 11:19 PM, Angelica Calle wrote: > I have been using the command -heckprob- to > get this estimates (my dependent variable is dichotomus), and the > command -margins, dydx(*) predict(pcond)- to obtain the marginal > effects. I know that this calculation (estimating the marginal > effects) must consider the parameters of both equations (selection and > outcome equation) and I would like to be sure that the command > -margins, dydx(*) predict(pcond)- does that. I have been searching if > this is the case or if I have to use something else, unfortunately I > was not able to identify if margins considers both equations. I would > really appreciate if you guys could give me some reference to have > certainty on this issue. Do you have any reason to believe that this is not the case? If you want a reference on what -margins- does than the authoritative reference is the manual entry for -margins-. In addition you will probably need to look at the manual entry for -heckprob postestimation-, and in particular the predict options listed there. -- 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/