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| From | Joerg Luedicke <joerg.luedicke@gmail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | Re: st: psmatch2--coefficients on covariates? interactions? |
| Date | Sun, 17 Apr 2011 15:25:01 -0400 |
On Sat, Apr 16, 2011 at 4:09 PM, gradstud <jjwang82@gmail.com> wrote: > Dear Statalist, > > Is there a way to obtain the coefficients on the other covariates included > in the propensity matching model (using psmatch2)? I would like to display > these on a table to compare with my OLS coefficients. > > Is there a way to include interactions with my treatment variable in the > matching model? The interactions drop because they perfectly predict the > outcome in the logit model (as they are interactions with the outcome). I > could center them but they are dummy variables so that seems odd. > I would recommend consulting some introductory material on the topic. For example, the nice introduction by Guo and Fraser could get you going: http://www.stata.com/bookstore/psa.html J. * * 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/