A reducible four-parameter system of model life tables.

A reducible four-parameter system of model life tables.
复制标题

模型寿命表的可简化四参数系统。

DOI:
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发表时间:
1983
期刊:
Population studies
影响因子:
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通讯作者:
M. Stoto
M. Stoto
中科院分区:
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文献类型:
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作者:
D. Ewbank;J. León;M. Stoto

文献摘要

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本文提出了Brass模型生命表关系系统的四参数扩展(1)与广泛的经验死亡率年龄模式相匹配;(2)易于应用,特别是适用于部分生命表;(3)包含有人口统计学意义的参数。在一组62个经验生命表上对该模型进行的测试表明,四个参数对于拟合广泛的死亡率模式是必要和充分的。对瑞典生命表历史系列的进一步测试揭示了死亡率变化的一致模式。对一组地理上相关的生命表的参数进行检查,提出了一种定义生命表族的方法。这种时间和空间关系的识别允许将模型简化为具有两个或三个参数的形式,以便应用于不完整或不准确的数据。
Abstract In this paper a four-parameter extension of Brass's relational system of model life tables is suggested that (1) matches a wide range of empirical age patterns of mortality, (2) is easy to apply, especially to partial life tables, and (3) contains demographically meaningful parameters. A test of the model on a set of 62 empirical life tables indicates that four parameters are necessary and sufficient for fitting a wide range of mortality patterns. A further test on an historical series of Swedish life tables reveals a consistent pattern of mortality change. Examination of the parameters for a set of geographicallyrelated life tables suggests a way to define families of life tables. Identification of such temporal and spatial relationships allows the model to be reduced to a form with twoor three-parameters for application to incomplete or inaccurate data.