cchs

R package cchs. Contains a function, also called ’cchs’, that calculates Estimator III of Borgan et al (2000), &lt;<a href=”http://dx.doi.org/10.1023/A:1009661900674”>doi:10.1023/A:1009661900674</a>&gt;. This estimator is for fitting a Cox proportional hazards model to data from a case-cohort study where the subcohort was selected by stratified simple random sampling.