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cchs: Cox Model for Case-Cohort Data with Stratified Subcohort-Selection

Contains a function, also called 'cchs', that calculates Estimator III of Borgan et al (2000), <doi:10.1023/A:1009661900674>. 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.

cchs.pdf