Terry M. Therneau

coxme

Cox proportional hazards models containing Gaussian random
effects, also known as frailty models.

Implementing algorithms and fitting models when sites (possibly remote) share
computation summaries ...

Routines to handle family data with a pedigree object. The initial purpose was to create correlation...

Contains the core survival analysis routines, including
definition of Surv objects,
Kaplan-Meier and...