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http://dx.doi.org/10.5351/KJAS.2011.24.5.769

A Method for Construction of Life Table in Korea  

Park, You-Sung (Department of Statistics, Korea University)
Kim, Seong-Yong (Economics and Statistics Institute, Korea University)
Publication Information
The Korean Journal of Applied Statistics / v.24, no.5, 2011 , pp. 769-789 More about this Journal
Abstract
The life table is a statistical model for life expectancy and reflects mortality experiences exposed to a particular group of people. The following three issues are prerequisite for constructing the life table : a selection of how to estimate the death probability from observed death rates, a graduation method to smooth irregularity of the death probabilities, and an extension method of the death probabilities for oldest-old ages. To construct the life table that is fittest to Korean mortality experiences, we examine five estimation methods such as Chiang's and Greville's for the death probability, three graduation techniques including Beer's and Greville's formulae, and twelve mathematical functions for the extension of death probabilities for oldest-old ages. We also propose a method to resolve the cross-over problem arising from construction the life table.
Keywords
Life table; death probability; smoothing; death rates at oldest-old age;
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