Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: psmatch2--coefficients on covariates? interactions?
From
Joerg Luedicke <[email protected]>
To
[email protected]
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 <[email protected]> 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/