[R-sig-ME] warning error question

[Dan McCloy]

A good place to start is the FAQ:
http://bbolker.github.io/mixedmodels-misc/glmmFAQ.html#convergence-warnings

Note also that email attachments are stripped by the mailing list server, so if you want to share your data you must either provide a download link, or include the results of `dput()` in your message.


-- dan
Daniel McCloy
https://dan.mccloy.info
Research Scientist
Institute for Learning and Brain Sciences
University of Washington

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Monday, March 23, 2020 7:41 AM, Anahí Fernández <anahi.r.fernandez using gmail.com> wrote:

> hi!! I run this model in lme4:
> "M.4=glm(Cuenta~carga*categ.asoc+(1|campo/foto)
> +offset(log(area.foto)),family=poisson(link =
> "log"),data=tipocat)"
> And I have this warning message: "Warning message:
> In checkConv(attr(opt, "derivs"), opt$par, ctrl = control$checkConv, :
> Model failed to converge with max|grad| = 0.00432818 (tol = 0.001,
> component 1)"
> I don´t know what is that means, could you help me, please!!
> My datatable is attached...
>
> Cheers, Anahí
>
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Anahí R. Fernandez
> Lab. Ecotono-INIBIOMA
> CONICET- Univ. Nac. del Comahue
> Quintral 1250 (8400), Bariloche, Argentina
>
> R-sig-mixed-models using r-project.org mailing list
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