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3 votes
1 answer
2k views

GLMM optimiser test - optimx.L-BFGS-B doesn't converge, but the rest do

I am running GLMM using lme4 in R for the first time. I have a complex model (with three main effects and four interactions), as well as a random intercept of ...
1 vote
1 answer
57 views

Accounting for person-time exposed in a binomial GLMM

I have a large data set where we have 5 calendar years data for each person, and we have information about the number of outcomes (taking values 0,1,or 2) each year. We have to account for the ...