Predictive partial log-likelihood for Cox poportional hazards model

Extracts the predictive partial log-likelihood from a coxph model fit.

# S3 method for coxph
PLL(object, newdata, newtime, newstatus, complexity, ...)

Arguments

object	fitted model of class coxph.
newdata	n_new*p matrix of covariates.
newtime	n_new-vector of censored survival times.
newstatus	n_new-vector of survival status, coded with 0 and .1
complexity	not used.
...	additional arguments, not used.

Details

Used by function peperr, if function fit.coxph is used for model fit.

Value

Vector of length n_new