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From | Santosh Kumar <santosh.uh@gmail.com> |
To | statalist@hsphsun2.harvard.edu |
Subject | Re: st: generating matched set ID's after PSMATCH2 |
Date | Tue, 21 Sep 2010 14:59:19 -0400 |
Hi all, Thanks for the response the this query. I wonder if we can generate similar matched id with Kernel matching. Thanks, On Sun, Sep 19, 2010 at 1:18 PM, Ariel Linden, DrPH <ariel.linden@gmail.com> wrote: > Hi All, > > Perhaps someone has some code to generate IDs of matched sets after running > the user written program PSMATCH2? > > More specifically, I'd like to generate grouped matches with an ID for all > matches within that set. So if there were 4 controls matched to 1 case, that > particular group should have a count of 5, and the same group ID should show > up 5 times. If 1 control was matched to 1 case, there should be two > individuals with the same group ID. > > Thus, the final outcome would be to have a variable (called groupID)with a > sequential list of IDs (Starting at 1)representing all those cases and > controls within that matched set. In the example below (assuming 1 to 1 > matching), tx = treatment, _id = the subject ID, _n1 = matched control ID, > and groupID is the id of both matched case and control. As you can see, > there are two of each groupID. > > Tx _id _n1 groupID > 1 1 6 1 > 1 2 7 2 > 1 3 8 3 > 1 4 9 4 > 1 5 10 5 > 0 6 . 1 > 0 7 . 2 > 0 8 . 3 > 0 9 . 4 > 0 10 . 5 > > Thanks in advance! > > Ariel > > * > * 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/ > -- Santosh * * 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/