get_cindex: Get c-index

In csetraynor/rstanhaz: Bayesian Survival Models (rstanhaz)

Description

The efficacy of the survival model can be measured by the concordance statistic

Usage

get_cindex(holdout, fit, time = "time", status = "status", ncores = 1L,
  method = NULL)

get_cindex(holdout, fit, time = "time", status = "status", ncores = 1L,
  method = NULL)

Arguments

data	For the default functions, a datframe containing survival (time), and status (0:censored/1:event), and the explanatory variables.
mod	Coxph model object fitted with coxph (survival).

Value

A cindex object

Author(s)

Carlos S Traynor

References

Terry M. Therneau and Patricia M. Grambsch (2000). _Modeling Survival Data: Extending the Cox Model_. Springer, New York. ISBN 0-387-98784-3. @export get_cindex

See Also

[coxph]

Examples

require(survival)
require(dplyr)
data(lung)
lung <- lung %>%
mutate(status = (status == 2))

mod <- coxph(Surv(time, status)~ age, data = lung)

get_cindex(lung, mod)

csetraynor/rstanhaz documentation built on May 9, 2019, 8:14 a.m.