Book Chapter

Additive decomposition of vital rates from grouped data

Camarda, C. G., Gampe, J., Eilers, P. H. C.
In: Komarek, A., Nagy, S. (Eds.): Proceedings of the 27th International Workshop on Statistical Modelling, Prague 16 - 20 July, 2012, 57–62
Prague, Czech Republic, Charles University, Department of Probability and Mathematical Statistics (2012)


Age specific rates are often given only for age groups that can be rather coarse. Furthermore, they tend to show complex patterns, which often can be explained by contributions of several subgroups, such as infants or the elderly. A penalized composite link model is used to decompose the complex rate trajectory into smooth additive components from grouped data. Monotonicity or shape constraints can be incorporated by special penalty matrices.
Keywords: age groups, smoothing
The Max Planck Institute for Demographic Research (MPIDR) in Rostock is one of the leading demographic research centers in the world. It's part of the Max Planck Society, the internationally renowned German research society.