我正在使用 metafor 包在 R 中进行元分析。我按照http://www.metafor-project.org/doku.php/plots:forest_plot_with_subgroups上的教程进行操作
如何将 tau^2 添加到“所有研究的 RE 模型”?
library(metafor)
### load BCG vaccine dataset
data(dat.bcg)
res <- rma(ai=tpos, bi=tneg, ci=cpos, di=cneg, data=dat.bcg, measure="OR",
slab=paste(author, year, sep=", "), method="REML")
###Plot Forest Plot
forest(res)
### Add Text
text(-5, -1, pos=4, cex=0.75, bquote(paste("RE Model for All Studies (Q
= ",.(formatC(res$QE, digits=2, format="f")), ", df = ", .(res$k -
res$p),", p = ", .(formatC(res$QEp, digits=2, format="f")), "; ", I^2, " = ",.(formatC(res$I2, digits=1, format="f")), "%)")))
在此先感谢,C.