This dataset serves as an example of meta-analysis of (log) relative risks.
data("dat.williams")A data frame with 20 studies with the following 7 variables within each study.
ypoint esimates of log relative risks.
s2sample variances of log relative risks.
n1sample sizes in treatment group 1 (medication).
n2sample sizes in treatment group 2 (placebo).
r1event counts in treatment group 1.
r2event counts in treatment group 2.
ntotal sample sizes.