This function allows one to add a simple baseline stratification term to the generalized AFT model.
baseline(...)
stratification variables to be entered; see the example in frailtyGAFT
.
Haiming Zhou and Timothy Hanson
Zhou, H., Hanson, T., and Zhang, J. (2020). spBayesSurv: Fitting Bayesian Spatial Survival Models Using R. Journal of Statistical Software, 92(9): 1-33.
Zhou, H., Hanson, T., and Zhang, J. (2017). Generalized accelerated failure time spatial frailty model for arbitrarily censored data. Lifetime Data Analysis, 23(3): 495-515..