Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, statalist.org is already up and running.
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: st: nnmatch
Melaku Fekadu <email@example.com>
Re: st: nnmatch
Wed, 21 Mar 2012 12:39:38 +0200
Thanks for Brendan. I thought about this but then I was afraid that the program may do some kind of bias adjustments to the choice of the control group based on the outcome variable which is totally fictitious here. What do you think?
On 21 במרץ 2012, at 12:26, firstname.lastname@example.org (Brendan Halpin) wrote:
> On Wed, Mar 21 2012, Melaku Fekadu wrote:
>> My question is this: in nnmatch the first variable after nnmatch is
>> the outcome variable (y in the syntax below) which I do not have at
>> the moment. How can I get rid of this variable, so that the nnmatch
>> recognize that I do not use an outcome variable? Or are there othet
>> matching methods that do what I am aiming for?
>> nnmatch y t x1 x2 [w=w], met(matname) bias(x1 x3) exact(x4) pop
> Why not create a fake y to act as a placeholder?
> -gen y = runiform()-
> Brendan Halpin, Department of Sociology, University of Limerick, Ireland
> Tel: w +353-61-213147 f +353-61-202569 h +353-61-338562; Room F1-009 x 3147
> mailto:email@example.com ULSociology on Facebook: http://on.fb.me/fjIK9t
> http://teaching.sociology.ul.ie/bhalpin/wordpress twitter:@ULSociology
> * 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/
* For searches and help try: