In the presence of dependent competing risks in survival analysis, the Cox proportional hazards model can be utilised to examine covariate effects on the cause-specific hazard function for each type of failure. The method proposed by Lunn and McNeil (1995) requires data augmentation. With k...

A diagnostic test is used typically because it is cheaper, quicker or less invasive than the reference standard, but may not be as reliable. Diagnostic tests are evaluated against a reference standard (sometimes called "Gold Standard"), regarded as completely accurate. Commands diagt and diagti...