loglik_Chen_weibull {EventPredInCure} | R Documentation |
Log-likelihood function for Weibull distribution with cured population
Description
Provide log-likelihood function for Weibull distribution with cured population
Usage
loglik_Chen_weibull(par, df)
Arguments
par |
a vector with three elements, where the first element denotes the logistic of the proportion of the cured population, and the second element and the third element denote the log of the shape and log of the scale parameter of the Weibull distribution. |
df |
The subject-level event data, including |
Value
The negative value of the log-likelihood function given parameter
par
and the dataset df
References
Chen, Tai-Tsang. "Predicting analysis times in randomized clinical trials with cancer immunotherapy." BMC medical research methodology 16.1 (2016): 1-10.
[Package EventPredInCure version 1.0 Index]