cox_deviance: Get Deviance
In csetraynor/iclust2prog: Prognostic modeling of IntClust-2 (iclust2prog)

Description Usage Arguments Value Author(s) References See Also Examples

Information theory stablishes deviance as a measure of uncertainty reduction. This function can be used to estimate the out of sample deviance. Deviance should not be used when the distribution is not the same across compared models.

1	cox_deviance(mod, ...)

mod

Coxph model object fitted with coxph (survival).

Deviance

Carlos S Traynor

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

[coxph]

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

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

cox_deviance(mod)