Hi All,

I have a very basic question about the lme4 package and glmer model convergence:

Is there a threshold for tolPwrss after which results are no longer reliable? I noticed a post online indicating that increasing tolPwrss to 0.01 or 0.1 might inflate fixed effect coefficients. On a related, how can one detect when coefficient inflation has occurred?

Any suggestions on reference material to read further on this subject would be greatly appreciated! 

Thank you very much in advance,

Zofia Taranu

Stagiaire Postdoctoral Université de Montréal
Département de sciences biologiques
Pavillon Marie-Victorin
90, av. Vincent-d'Indy
Outremont, QC H2V 2S9




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