[R] Matching package argument exact

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


Hi,

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.

Thanks,
Kathrin

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

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



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