ulcer {BayesGOF} | R Documentation |
Recurrent Bleeding of Ulcers
Description
The data consist of k=40
randomized trials between 1980 and 1989 of a surgical treatment for stomach ulcers. Each of the trials has an estimated log-odds ratio that measures the rate of occurrence of recurrent bleeding given the surgical treatment.
Usage
data("ulcer")
Format
A data frame of (y_i,
se_i)
for i = 1,...,40
.
y
log-odds of the occurrence of recurrent bleeding in the
i^{th}
studyse
standard error of the log-odds for the
i^{th}
study
Source
Sacks, H.S., Chalmers, T.C., Blum, A.L., Berrier, J., and Pagano, D., 1990. "Endoscopic hemostasis: an effective therapy for bleeding peptic ulcers," Journal of the American Medical Association, 264(4), pp. 494-499.
References
Efron, B., 1996. "Empirical Bayes methods for combining likelihoods," Journal of the American Statistical Association, 91(434), pp. 538-550.