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}`

study

`se`

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.

[Package

*BayesGOF* version 5.2

Index]