This dataset serves as an example of meta-analysis of (log) odds ratios.
data("dat.butters")
A data frame with 16 studies with the following 7 variables within each study.
y
point esimates of log odds ratios.
s2
sample variances of log odds ratios.
n1
sample sizes in treatment group 1 (addition of drug).
n2
sample sizes in treatment group 2 (control).
r1
event counts in treatment group 1.
r2
event counts in treatment group 2.
n
total sample sizes.