On Sun, Apr 26, 2009 at 6:22 PM, dirk...@gmx.de wrote:
Dear R users,
I am trying to do exact matching on a large dataset (500.000 obs), about
equal size of treatment and controll group, with replacement: As for the
moment I use the Match function of the Matching library. I match on 2
Dear R users,
I am trying to do exact matching on a large dataset (500.000 obs), about equal
size of treatment and controll group, with replacement: As for the moment I use
the Match function of the Matching library. I match on 2 covariates and all
observations in the treatment group have at
2 matches
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