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new R user struggling with error and convergence issues

Jennifer Yourkavitch 
Hello!
I am fitting multilevel log-binomial models for a very large dataset (>53,000 observations), using glmer. I am getting this--  Error: (maxstephalfit) PIRLS step-halvings failed to reduce deviance in pwrssUpdate.
And the model is not converging. 
I think that increasing the number of iterations may remediate the convergence issue. But I can?t find the right syntax for that online.
Any advice re these two issues?
Many thanks,
Jennifer

Thread (5 messages)

Jennifer Yourkavitch new R user struggling with error and convergence issues Feb 15 Jennifer Yourkavitch new R user struggling with error and convergence issues Feb 15 Ben Bolker new R user struggling with error and convergence issues Feb 15 Jennifer Yourkavitch new R user struggling with error and convergence issues Feb 17 Ben Bolker new R user struggling with error and convergence issues Feb 20