baseline: Stratification effects on baseline functions
Description
This function allows one to add a simple baseline stratification term to the generalized AFT model.
Arguments
...
stratification variables to be entered; see the example in frailtyGAFT
. References
Zhou, H., Hanson, T., and Zhang, J. (2016). Generalized accelerated failure time spatial frailty model for arbitrarily censored data. Lifetime Data Analysis, in press.