pub fn va() -> Result<DataFrame, PolarsError>Expand description
§Veteran’s Administration Lung Cancer Trial
§Description:
Veteran’s Administration lung cancer trial from Kalbfleisch & Prentice.
§Usage:
VA
§Format:
A data frame with columns:
- ‘stime’ survival or follow-up time in days.
- ‘status’ dead or censored.
- ‘treat’ treatment: standard or test.
- ‘age’ patient’s age in years.
- ‘Karn’ Karnofsky score of patient’s performance on a scale of 0 to
- ‘diag.time’ times since diagnosis in months at entry to trial.
- ‘cell’ one of four cell types.
- ‘prior’ prior therapy?
§Source:
Kalbfleisch, J.D. and Prentice R.L. (1980) The Statistical Analysis of Failure Time Data. Wiley.
§References:
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.