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Mixed model does not converge
I have a question regarding a mixed model I am using: In a study, participants have been presented with 40 different news article headlines and indicated for each headline whether they would share the ...
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Can complete separation between a continuous predictor and a random effect cause failure to converge in a logit GLMM?
I’m running a logit mixed-effects model on binary data with a 2x2 within-subjects design, with subjects and items as crossed random effects, and the two independent variables deviation-contrast coded.
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