[R] Matching package argument exact

From: Kathrin Müller <kathrin.mueller_at_tu-dresden.de>
Date: Thu, 21 Apr 2011 17:18:06 +0200


I’d like to do some sample matching with propensity scores. I’ve estimated the propensity scores:

glm1 <-
glm(Exposed~Gender+ImagingCentreID+espad.3a+drinks.preg+espad.6+audit.total+ PDS.all, family=binomial, data=PBQ_110421)

Now I would like to match on the propensity score and have an exact match on Gender and ImagingCentreID. How do I specify this in the command:

M1 <-Match(Tr = Exposed, X = glm1$fitted) ?

Sorry, if my question is trivial! But I am an absolute beginner in R.


Technische Universität Dresden
Faculty of Medicine Carl Gustav Carus
Department of Psychiatry and Psychotherapy Section of Systems Neuroscience
Würzburger Str. 35
01187 Dresden

Phone: +49 (351) 463-42208
Fax: +49 (351) 463-42202
E-Mail: kathrin.mueller_at_tu-dresden.de

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