[R] how to summarize results from studies?

[Frederik Feys]

Thank you Marc!

I ended up using metafor library:

res_UK <- escalc(mi=data_UK$GAD.7_mean, sdi=data_UK$weight_pred, ni=data_UK$GAD.7_mean_N, measure = "MN”)

rma(yi, vi, data=res_UK, method="REML”)



> Op 1 jul. 2020, om 17:40 heeft Marc Schwartz <marc_schwartz using me.com> het volgende geschreven:
> 
> Hi,
> 
> It sounds like you will want to engage in a meta-analysis.
> 
> There is a CRAN task view here:
> 
>  https://cran.r-project.org/web/views/MetaAnalysis.html
> 
> that would be relevant in pointing you to tools in R that can support that approach.
> 
> That being said, the details of specific methodologies and conceptual assistance would be beyond the scope of this list. You should consider consulting a local statistician for assistance with that, if needed.
> 
> Regards,
> 
> Marc Schwartz
> 
>> On Jul 1, 2020, at 11:27 AM, Frederik Feys <frefeys using gmail.com> wrote:
>> 
>> Hello everyone
>> 
>> I have some studies with results from the same outcome scale. I want to merge them into 1 summarised estimated result and its standard deviation. How do I do that in R?
>> 
>> Thank you very much for your help!
>> Frederik