getHazard: Compute initial estimates for the baseline hazard

In PRIMEplus: Study Design for Immunotherapy Clinical Trials

Compute initial estimates for the baseline hazard

Description

Calls the coxph function to compute initial estimates for the baseline hazard

Usage

 getHazard(time, treatment, event_status, t.fail.o=NULL)

Arguments

time	Vector of times.
treatment	Binary vector of treatments (1=subject received treatment).
event_status	Binary vector of event status (1=subject experienced an event).
t.fail.o	NULL or vector of event times.

Value

List containing the baseline hazards ordered by the event times.

Author(s)

Zhenzhen Xu <[e-mail]> and Bin Zhu <[e-mail]>

See Also

PRIMEplus.EM

Examples

  data(data, package="PRIMEplus")
  lambda0 <- getHazard(data[, "X"], data[, "trt"], data[, "event_status"])$hazard
  lambda0[1:10]

PRIMEplus documentation built on May 29, 2024, 11:56 a.m.