[R] Adjusted Rate Ratios in R

From: matthew.benigni <matthew.benigni_at_gmail.com>
Date: Wed, 25 May 2011 05:49:42 -0700 (PDT)


I am trying to calculate Poisson regression based adjusted rate ratios in R, but R's default in glm does not code the intercept as the global rate. In SAS I use "cell means" coding so that the intercept is the global rate, but I do not know how to do this in R. If anyone knows a way to make glm use "cell means", or an how to find adjusted rate ratios I would be grateful.

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Received on Wed 25 May 2011 - 14:34:50 GMT

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