[R] Delta method for glm

From: <Antonio_Paredes_at_aphis.usda.gov>
Date: Thu 16 Feb 2006 - 10:02:56 EST

Hello everyone.

I am trying to get a confidence interval for the risk ratio
(vaccinates/control) from the following model:

fit.1<-glm(sick~trt + loc, data=b, family=binomial).

here trt is one for vaccinates and 0 for control, loc is a binary (1/0) variable.

I am trying to get a reference to apply the delta method to get my CI. Any ideal?

Antonio Paredes
USDA- Center for Veterinary Biologics
Biometrics Unit
510 South 17th Street, Suite 104
Ames, IA 50010
(515) 232-5785

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