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- Abstract: Concerning the least-square estimation of unknown parameters in the linear model,this article discusses the relation between two kinds of relative efficiencies and one generalized correlation coefficient. 文摘:讨论了线性模型中未知参数的最小二乘估计的两种相对效率与一种广义相关系数的关系.
- Asymptotic relative efficiencies (ARE) 渐近相对效率
- The price of coal is not relevant to discussions about the relative efficiency of nuclear reactors. 煤的价格对关于核反应堆的有关的效率的讨论不相关。
- The relative efficiency of indirect selection on tumorous stem yield through other characters was also estimated. 同时本文还进行了遗传相关信息与遗传相关贡献的估算以及主成份等分析。
- DEA is an effective method to evaluate and analyze the relative efficiency of the decision-making units (DMU). 本文尝试性地提出了调度综合评价的多目标规划模型，并应用数据包络分析方法（DEA）对该模型求解和分析。
- However, this relative efficiency was not enough to overcome the inaccuracy and annoyance in fixing so many errors. 但是，这种相对的效率还不足以掩盖它的不准确性以及产生如此多的错误所带来的烦恼。
- It evaluates Decision Making Units(DMU) by using the mathematical programming pattern comparing relative efficiency between DMUs. DEA是使用数学规划模型比较决策单元之间的相对效率，对决策单元(记为DMU)做出评价。
- Evaluating the current development level and even the relative efficiency of urbanization is critical to the development strategy of a city. 摘要正确选择城市的发展战略，关键是评价城市的现有发展水平，尤其是城市化相对效率。
- Some Relative Efficiencies of Lse in Growth Curve Model 增长曲线模型中最小二乘估计的几种相对效率(英文)
- This study evaluates the relative efficiency of DMU s with random inputs/outputs. We introduce a new measurement of efficiency by applying DEA and the certainty equivalent. 讨论了随机条件下 ;决策单元的相对有效性评价问题 ;提出了随机变量、随机 DMU确定等量的概念和一种新的随机相对有效性判别方法 ;即随机 DEA的确定等量变换法 .
- Kellard, N., Newbold, P., Rayner, T., and Ennew, C.,1999, "The Relative Efficiency of Commodity Futures Markets".The Journal of Futures Markets, Vol. 19, 413-432. 王志强、徐亚范、朱丽红;1998;第2期.
- This chapter puts forward the concept of relative efficiency, compares EMH and FMH and concluds that FMH is much proper than EMH in the research on foreign exchange market. 提出外汇市场“相对效率”概念,回顾有效市场假说与分形市场假说,并将二者对外汇市场的解释能力加以比较分析,认为FMH比传统EMH更适于分析外汇市场相对效率问题。
- Is our relative strength growing? 我们的相对力量正在增长吗？
- Analyzing competition ability by DEA can not only get the relative efficiency score of every DMU objectively and reasonably, but also improve the performance of the non-effective, and elevate the reliability and efficiency of insurance companies. 而竞争的胜败主要在于各保险公司竞争力的强弱。 运用DEA方法来评价我国保险公司的竞争力,不仅能客观、合理地给出各保险公司的相对效率,还可以提供把非DEA有效的保险公司发展为DEA有效的保险公司的改进方案,为提高竞争力提供有力依据。
- They are now living in relative comfort. 他们现在过着比较安逸的生活。
- He is a distant relative of mine. 他是我的一位远亲。
- DEA analysis (Data Envelopment Analysis abbreviation DEA) is a assessment technique effective method to carry out compare relative efficiency and benefit for decision unit which has much input and much output aspects. 数据包络分析(Data Envelopment Analysis简称DEA)是一种对若干同类型的具有多输入、多输出的决策单元进行相对效率和效益方面比较的有效方法。
- The optimizer periodically re-optimizes queries to verify that the cached plan is still relatively efficient. 优化程序会定期重新优化查询,以检验高速缓存的计划是否仍具有较高的效率。
- For the leash square estimates of unknown parameters in Linear models, a now relative efficiency is proposed. Its properties and relation with the efficiency, Originally discussed by Bloomfield and Watson are given. 对于线性模型未知参数的最小二乘估计,本文提出了一种新的相对效率,并研究了它的性质,以及与Bloomfield-Watson等讨论过的另一种相对效率的关系。
- In this paper,two new relative efficiency are given in signular G-M model. The first is based on the ratio of the minimum of the characteristic roots from two different matrix. The second is defined by the generalizered Euclid norm. 在奇异线性模型下利用2个矩阵特征根比值的最小值推广了Euclid范数定义的2种相对效率.
