Ovarian {tigerstats} | R Documentation |
Ovarian Cancer Study
Description
Results of a retrospective study, conducted in 1973, on 299 women who been surgically treated for ovarian cancer 10 years before.
Format
A data frame with 299 observations on the following 4 variables.
- stage
factor indicating the stage of the cancer at the time of operation (early, advanced)
- operation
factor indicating the amount of tissue removed during surgery (radical,limited)
- survival
whether or not the subject was still alive after ten years (yes,no)
- xray
factor indicating whether or not the subject also received x-ray treatments (yes,no)
Source
Rebuilt from a contingency table in E. B. Andersen (1991),
The Statistical Analysis of Categorical Data. 2nd edition. Springer-Verlag, Berlin. Table found in
package vcd
.
[Package tigerstats version 0.3.2 Index]