[R] Meta-Analysis using RVE (robumeta)

Hello, I'm runnig a meta-analysis, correcting for clustering of standard errors with the robumetacommand. R gives the following warning: If df < 4, do not trust the results In some cases my df is in fact <4. What does this tell me then? Does it simply mean that the number of included studies is

[R] Multi-level Meta-Regression using metafor

Hi! I am running a multi-level meta-regression in R using the metafor package. I have specified a univariate multi-level meta-regression as follows: Test_MR <- rma.mv(yi = effectsize_estimates, V = effsize_sd2, data = Test, mods = ~ x, random = list(~ 1 | coeff, ~ 1 | study)) C