Breast cancer survival data

Survival data from Collett (2015) on the survival times of 45 women with breast cancer in Middlesex Hospital July 1987 (Table 1.2).

Usage

breast_cancer

Format

A data frame with 45 rows and 3 columns:

delta

Event indicator (1 = event, 0 = censored)

times

Observation time, in months

stain

Tumor HPA stain indicator (1 = positive, 0 = negative)

References

Collett, D. (2015). Survival analysis. In Modelling survival data in medical research. 3rd Ed. Chapman and Hall/CRC. pg 6-7