Various functions for discrete time survival analysis and longitudinal analysis. SIMEX method for correcting for bias for errorsinvariables in a mixed effects model. Asymptotic mean and variance of different proportional hazards test statistics using different ties methods given two survival curves and censoring distributions. Score test and Wald test for regression analysis of grouped survival data. Calculation of survival curves for events defined by the response variable in a mixed effects model crossing a threshold with or without confirmation.
Package details 


Author  John Lawrence [aut, cre], Jianjin Xu [ctb], Sue Jane Wang [ctb], Jim Hung [ctb] 
Maintainer  John Lawrence <[email protected]> 
License  GPL2 
Version  0.1.1 
Package repository  View on CRAN 
Installation 
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