var_TTC_wei {curesurv} | R Documentation |
var_TTC_wei function
Description
Calculates the variance of TTC with delta method. The expression of this variance is expressed as Var(TTC) = (dTTC/dtheta)Var(theta)(dTTC/dtheta)^T where Var(theta) is the variance-covariance matrix of theta.
Usage
var_TTC_wei(
object,
z_ucured = z_ucured,
z_pcured = z_pcured,
epsilon = epsilon,
TTC
)
Arguments
object |
ouput from a model implemented in curesurv |
z_ucured |
covariates matrix acting on survival function of uncured |
z_pcured |
covariates matrix acting on cure proportion |
epsilon |
value fixed by user to estimate the TTC |
TTC |
time to cure previously calculated using TTC_wei |
[Package curesurv version 0.1.2 Index]