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Results tagged with meta-regression
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user 21879
A meta-analytic tool that examines the impact of moderator variables on studies' effect size. It is another name for mixed effects model in meta-analysis (moderators are fixed effects, studies are random effects).
4
votes
1
answer
7k
views
Metafor package: Interpreting rma model with two (or more) moderators.
New user of both stackexchange and R here. My questions are about mainly about interpretation, and my dataset is quite large, so I have not included my dataframe. I have two queries (in bold).
Using …
- 217
4
votes
1
answer
812
views
Independence of effects in meta-analysis and meta-regression
In meta-analysis, I know that an important assumption is independence. Clearly, if we want to estimate a pooled effect size, its best if each effect comes from an independent sample of observers. Othe …
- 217
8
votes
1
answer
4k
views
Oddly large R squared values in meta regression (metafor)
I am using the metafor package in R. I have fit a random effects model with a continuous predictor as follows
SIZE=rma(yi=Ds,sei=SE,data=VPPOOLed,mods=~SIZE)
Which yields the output:
R^2 (amount …
- 217
4
votes
3
answers
994
views
Data imputation for meta analysis using mice package in R
I have a data-set with 32 effect size estimates- only 11 of which report a value for the continuous moderator of interest (the samples anxiety level). A complete case analysis (restricted to the 11 ca …
- 217