This function creates survival curves from either a formula (e.g. the
Kaplan-Meier), a previously fitted Cox model, or a previously fitted
accelerated failure time model.
Usage
survfit(formula, ...)
Arguments
formula
either a formula or a previously fitted model
...
other arguments to the specific method
Value
An object of class survfit containing one or more survival curves.
Details
For details see the documentation for the appropriate method, i.e.,
?survfit.formula or ?survfit.coxph.