data(bc)
censrec |
(numeric) |
1=dead, 0=censored |
rectime |
(numeric) | Time of death or censoring in days |
group |
(numeric) |
Prognostic group:
"Good" ,"Medium" or "Poor" , |
|
from a regression model developed by Sauerbrei and Royston (1999). |
flexsurvspline
. Originally
provided with the stpm
(Royston 2001, 2004) and stpm2
(Lambert 2009, 2010) Stata modules.Sauerbrei, W. and Royston, P. (1999). Building multivariable prognostic and diagnostic models: transformation of the predictors using fractional polynomials. Journal of the Royal Statistical Society, Series A 162:71-94.
flexsurvspline