addhazard - Fit Additive Hazards Models for Survival Analysis

Contains tools to fit the additive hazards model to a cohort study, a case-cohort study, or a general two-phase sampling study. It allows weight calibration to incorporate additional auxiliary information from the full cohort into the estimation procedure in a case-cohort study or from the phase I sample in a two-phase sampling study. It can be used for both Bernoulli and finite population sampling. This package provides regression parameter estimates and their model-based and robust standard errors. It also offers tools to make prediction of individual specific hazards at a specified time.