[R-meta] Funnel Plots for Multilevel Meta

Hi Michael,



Would it not be nonsensical to have multiple effects from the same article in the funnel plot though?



With the Egger?s regression I was able to accommodate the fact that their is nonindependence of the effects, but am unsure how to proceed with a funnel plot.



Dylan



Dylan Johnson, MSc

MA Student, School and Clinical Child Psychology
Department of Applied Psychology and Human Development

University of Toronto
252 Bloor Street West

Toronto, ON M5S 1V6



From: Michael Dewey<mailto:lists at dewey.myzen.co.uk>
Sent: December 11, 2020 6:12 AM
To: Dylan Johnson<mailto:dylanr.johnson at mail.utoronto.ca>; r-sig-meta-analysis at r-project.org<mailto:r-sig-meta-analysis at r-project.org>
Subject: Re: [R-meta] Funnel Plots for Multilevel Meta



EXTERNAL EMAIL:

Dear Dylan

Perhaps I misunderstand you but if you have the data for a regression
type test like Egger's do you not just plot that? The funnel() function
in metafor does that and I am sure equivalent solutions can be found in
meta and many other packages.

Michael

Hello,

Thanks everyone for helping me sort out the Egger?s test with multi-level meta modelling!

Is there any option in R for producing Funnel plots that are appropriate for the nonindependence? I imagine that the standard funnel plot would be deceiving if it came from a multi-level design.

Many thanks!

Best,
Dylan


Dylan Johnson, MSc

MA Student, School and Clinical Child Psychology
Department of Applied Psychology and Human Development

University of Toronto
252 Bloor Street West

Toronto, ON M5S 1V6


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