Survival Times after Mastectomy of Breast Cancer Patients

Survival times in months after mastectomy of women with breast cancer. The cancers are classified as having metastized or not based on a histochemical marker.

Usage

data("mastectomy")

Format

A data frame with 42 observations on the following 3 variables.

time: survival times in months.
event: a logical indicating if the event was observed (TRUE) or if the survival time was censored (FALSE).
metastasized: a factor at levels yes and no.

Source

B. S. Everitt and S. Rabe-Hesketh (2001), Analysing Medical Data using S-PLUS, Springer, New York, USA.

Examples


  data("mastectomy", package = "HSAUR3")
  table(mastectomy$metastasized)
#> 
#>  no yes 
#>  12  32