The recent addition of support for the CMYK colour model to Stata 8 allows graphs from Stata to be used where colour separation is required for printing. This paper outlines work being done at the Office for National Statistics to use Stata for graphics in our flagship "Economic Trends"...

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...