搜索结果: 1-3 共查到“人口统计学 average”相关记录3条 . 查询时间(0.109 秒)
Variance in age at death equals average squared remaining life expectancy at death
life disparity life table entropy remaining life expectancy variance in age at death
2014/11/26
Background: Variance in lifespan $\sigma^2$ and life expectancy lost due to death $e^{\dagger}$ are important demographic indicators of life disparity.Objective: I show that variance in age at death e...
Life expectancy is the death-weighted average of the reciprocal of the survival-specific force of mortality
age-structured population force of mortality Jensen´ s inequality life expectancy life table longevity negative exponential distribution survival USA
2010/1/29
The hazard of mortality is usually presented as a function of age, but can be defined as a function of the fraction of survivors. This definition enables us to derive new relationships for life expect...
Changing mortality and average cohort life expectancy
cohort life expectancy cross-sectional average length of life (CAL) life expectancy mortality mortality tempo period life expectancy
2008/12/11
Period life expectancy varies with changes in mortality, and should not be confused with the life expectancy of those alive during that period. Given past and likely future mortality changes, a recent...