[R-meta] mixed-effects and moderators

[Reza Norouzian]

Hello Fred,

I believe the following should be very helpful:
https://stat.ethz.ch/pipermail/r-sig-meta-analysis/2021-October/003447.html

Kind regards,
Reza

On Mon, Oct 18, 2021 at 8:57 PM Fred Oswald <foswald using rice.edu> wrote:

> Hello, and apologies if this has been addressed before: For a mixed-effects
> model in metafor, how does one estimate the amount of heterogeneity
> accounted for by continuous moderators (tau^2_mod)? Maybe use the
> closed-form D-L estimate from Q_M?
>
> Otherwise, deriving this from the output is not obvious to me (e.g., I2 is
> based on tau^2_res, and R2 assumed fixed effects).
>
> Also, presumably tau^2_total = tau^2_mod + tau^2_res…yes?
>
> Thank you for any support!
>
> Best,
> Fred Oswald
>
> Website | https://workforce.rice.edu
> Calendar | https://tinyurl.com/foswald
> Twitter  | @FredOswald
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> --
> Best,
> Fred Oswald
>
> Website | https://workforce.rice.edu
> Calendar | https://tinyurl.com/foswald
> Twitter  | @FredOswald
> Future of Work  | https://tinyurl.com/futureworking
>
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