TTC_ic_log_wei {curesurv} | R Documentation |
TTC_ic_log_wei function
Description
calculates the confidence interval of the time TTC using
delta method by assuming normality on log scale of TTC.
IC = exp(log(TTC) +/- z*sqrt(var(log(TTC))))
,
where Var(log(TTC)) = (dlog(TTC)/dtheta)Var(theta)(dlog(TTC)/dtheta)^T
.
Note that this function is for mixture cure model with Weibull distribution considered for uncured patients.
Usage
TTC_ic_log_wei(
object,
z_pcured = z_pcured,
z_ucured = z_ucured,
epsilon = 0.05,
level,
TTC = NULL,
Dttc = NULL
)
Arguments
object |
An object of class |
z_pcured |
covariates matrix acting on cure proportion |
z_ucured |
covariates matrix acting on survival function of uncured |
epsilon |
value fixed by user to estimate the TTC |
level |
|
TTC |
time to cure calculated by TTC_wei |
Dttc |
partial derivates of TTC by dTTCdtheta_wei |
[Package curesurv version 0.1.2 Index]