Questions.
Using the dat.raudenbush1985 from week 3. Rerun the random-effects meta-analysis with REML estimation.
- Make a funnel plot with study labels. What do you make of it?
- Make a funnel plot with inverse variance on the y-axis.
- Perform Egger’s test for funnel plot asymmetry.
- Perform Begg & Mazumdar’s test for funnel plot asymmetry. Based on both Egger’s test and this test what do you conclude.
- Make a contour-enhanced funnel plot. What does it reveal?
- Make a radial plot.
- Bonus perform and interpret a p uniform analysis. For the purpose of this analysis treat the treatment effect
yi in this dataset, as a Cohen’s d.