This meta-analysis serves as an example to illustrate the usage of the function meta.pen.
data("dat.ha")A data frame containing 20 studies.
n1the sample size in the treatment group in each study.
n2the sample size in the control group in each study.
r1the event count in the treatment group in each study.
r2the event count in the control group in each study.
ythe observed effect size (log odds ratio) for each study in the meta-analysis.
s2the within-study variance for each study.