The expectation of life formula is more convenient for making average time estimates than traditional sampling methods.doi:doi:10.1300/J105v08n02_02Stanley M. Verhoeven BA, MA, MLSCollection ManagementVerhoeven, S. M. (1986). The expectation of life formula applied to collection management. ...
Expectation of life of determined by various factors. 人们寿命的长短取决于种种因素. 互联网 Therefore, it is necessary to offer the formula for the calculation of expectation - of - life. 所以给出平均余寿的计算式非常必要. 互联网 Expectation - of - life plays an important part in the theorie...
英:[ˌekspekˈteiʃən ɔv laif] 美:[ˌɛkspɛkˈteʃən ʌv laɪf] expectation of life是什么意思 n. 平均寿命,平均余年(某一年龄的人尚可期望活的平均年数,可由统计资料显示); expectation of life 例句 1.Japanese people have a very high life expectancy. 日本人的平均...
Demoivre's formula life table life-enhancing therapy References in periodicals archive ? The expectation of life at 2012 for a life aged x last birthday is the sum over all t from 0 upwards of (t + 1/2) * pd_{x + t, t}. Funding pensions in Scotland: would independence matter? The...
In this paper, the relationship between mortality and expectation of life is explored in some detail, and formulae are developed for analysing the effects of mortality changes on expectation of life, and trends in mortality differentials on 0 differentials. Unlike Keyfitz (1977), who concentrates ...
5)expectation of life生命期望 6)mathematic expectation数学期望 1.This paper discusses classical model,formula of total probability,normal distribution,mathematic expectation and the central limit theorem.围绕古典概型,全概率公式,正态分布,数学期望,极限定理等有关知识,探讨概率统计知识在实际生活中的广泛应用,...
In decision theory, a measure of the value or utility expected to result from a given strategy, equal to the sum over states of nature of the product of the probability of the state times the consequence or outcome of the strategy in terms of some value or utility parameter. Abbreviated EV...
1.A quantity expressing a typical or average value of a random variable. 2.The sum (for discrete variables) or integral (for continuous variables) of the product of a random variable with its probability density function, over its range of values. ...
aYou can't connect the dots looking forward; you can only connect them looking backwards. So you have to trust that the dots will somehow connect in your future. You have to trust in something – your gut, destiny, life, karma, whatever. This approach has never let me down, and it ha...
amake a huge change of my whole life 正在翻译,请等待... [translate] a式(4)不能反应橡胶的复杂力学行为 Type (4) cannot respond the rubber the complex mechanics behavior[translate] aOpera is expensive: that much is inevitable. 歌剧是昂贵的: 是不可避免的。[translate] ...