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]