Hi, I am attempting to run logistic regression using glimmix to account for clustering by individual school level. My code is: proc glimmix data=wcc; class school; model lloc_4r = perception sex county schooltwo schooltwo*perception/link=logit dist=binomial; random intercept / subject= school; run; When i run the code, the output tells me the model did not converge. This only happens when school is added. There are 21 different schools and I expect clustering effects for them. Does this mean something is wrong with my syntax or the dataset, and is there anything I can do about it? My assumption is that it might be related to how the schools are coded/formatted in the dataset which is by their school code (i.e. 0008, 0250, 0915, etc.). Any help would be appreciated. Brad
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