[R-meta] mixed-effects and moderators

Fred Oswald |o@w@|d @end|ng |rom r|ce@edu
Tue Oct 19 03:57:11 CEST 2021


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
Future of Work  | https://tinyurl.com/futureworking
-- 
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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