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5 results for “from:Frank van Boven”

[R-meta] question
Frank van Boven · Nov 5, 2018 · r-sig-meta-analysis

I have a question on the choice of an outcome measure in Metafor. Given are data on asthma symptom scores, measured by a questionnaire. The question is for a meta-analysis of the mean scores. For instance. Trial A: mean...

[R-meta] question on resolution forestplot in metafor
Frank van Boven · Jul 4, 2020 · r-sig-meta-analysis

Dear all, I have a question on improving the resolution of a forestplot in metafor. When printing it appears to become grainy. I always chose the standard packages (Formula and metafor), enclosed the script for the plot. forest(res, slab...

[R-meta] question on forestplot by Metafor
Frank van Boven · Apr 29, 2023 · r-sig-meta-analysis

Dear Wolfgang, Thank you very much, this is what I was looking for. Kind regards, Frank van Boven > Op 29 apr. 2023, om 13:25 heeft Viechtbauer, Wolfgang (NP) <wolfgang.viechtbauer at maastrichtuniversity.nl> het volgende geschreven: > > And of course...

[R-meta] rule of thumb miminum number of studies per factor level meta-regression
Frank van Boven · Mar 28, 2022 · r-sig-meta-analysis

Dear all, In reply to this explanation, I am wondering. When subgrouping the studies (thus no meta-regression). Would it be an option to limit the aim of the meta-analysis to only generate hypotheses, irrespectfull the number of studies...

[R-meta] question on forestplot by Metafor
Frank van Boven · Apr 28, 2023 · r-sig-meta-analysis

Dear all, May be a little bit a not expected question, I would like to produce a forestplot without the polygon (diamond) at the bottom. The rationale for not presenting an overall-effect follows from non-statistical viewpoints. By erasing...

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