[R-sig-ME] fitted for binomial model

Roberts, Kyle kyler at mail.smu.edu
Tue Mar 3 18:40:43 CET 2009

Dear All,

If I am running a model like:

M1<-lmer(model, data, family=binomial)

What does the "fitted" function produce?

e.g. fitted(M1)

I had thought that this was the fitted probabilities, but after checking the math, I think it is something else. Also, if this is not the fitted probabilities [exp(model)/(1 + exp(model))], is there a way to have them easily produced?


Dr. J. Kyle Roberts
Department of Teaching and Learning
Annette Caldwell Simmons School of Education 
   and Human Development
Southern Methodist University
P.O. Box 750381
Dallas, TX  75275

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