Calculates the variance of log(TTC) from a mixture cure model with uncured survival as Weibull distribution using the Jakobsen approach.
varlogTTC_Jakobsen_wei(
object,
z_ucured = z_ucured,
z_pcured = z_pcured,
epsilon = epsilon,
TTC,
cumLexc_topred_TTC
)
ouput from a model implemented in curesurv
covariates matrix acting on survival function of uncured
covariates matrix acting on cure proportion
value fixed by user to estimate the TTC \(\text{Pi}(t)\geq (1-\epsilon)\). By default \(\epsilon = 0.05\).
time to cure estimatec by TTC_wei
a pre prediction given by cumLexc_alphaweibull_topred