dlogTTCdtheta_wei {curesurv} | R Documentation |
function of partial derivates of log of time-to-cure log(TTC)
by theta (estimated parameters) from a mixture cure model with uncured survival
following a Weibull distribution
dlogTTCdtheta_wei(
z_ucured = z_ucured,
z_pcured = z_pcured,
object = object,
epsilon = epsilon,
TTC
)
z_ucured |
covariates matrix acting on survival function of uncured |
z_pcured |
covariates matrix acting on cure proportion |
object |
ouput from a model implemented in curesurv |
epsilon |
value fixed by user to estimate the TTC |
TTC |
time to cure previsouly estimated by TTC_wei |