查询词典 statistical decision problem

In order to test theory hypothesises,this paper uses online questionnaire to collect data and then carries out statistical analysis.The main research approaches used to carry out quantitative analysis are statistical description,paired sample T-test,ANOVA,components analysis and multiple linear regression analysis.

为了验证理论假设，本文通过网络在线填写问卷的方式收集数据，并综合运用了描述性统计、配对样本T检验、方差分析、因子分析和多元线性回归分析等数理统计方法展开普遍意义上的定量分析。

Ringer's solution group and Shenfu+ Ringer's solution group has increased early,with statistical significance, and then started to decline, with no statistical significance.

与失血性休克组相比，林格液组和参附注射液组肺内EPCRmRNA含量均明显降低，差异有统计学意义，且参附注射组下降更明显。

However, there exist some paradoxes in decision making logic, such as the Allais paradox and exchange paradox in expected utility theory, backward induction paradox and Gaifmann-Koons paradox originated from Newcomb problem in interactions, the famous Arrow voting paradox in group decision-making.

决策逻辑是社会科学的基础，然而在决策逻辑中存在悖论：不确定的概然决策中的期望收益理论面临阿莱斯悖论和"交换悖论"；互动决策中存在演绎性的逆向归纳法悖论，以及存在由纽柯姆难题改造而来的盖夫曼—孔斯悖论；群体决策中存在著名的阿罗悖论，等等。

Considering the information distribution on the decision makers′ preference,the problem of density weighted averaging middle operator in uncertain multiple attribute decision making is investigated to find out the procedure to determine the weight vector of interval number density operator by extending the middle operator of density of real numbers to that of interval numbers.

针对群决策中的决策者群体偏好信息分布问题，研究了不确定多属性决策密度中间算子，把实数密度中间算子扩展到区间数密度中间算子。

Describing the problem of two dimension fuzzy decision existed in the engineering, the concepts of core set and support set are proposed. Using feasible set to constitute corelation between two sets, determinant theorem is presented to judge if the decision can be realized according to the feasible degree.

描述了工程中存在的二维模糊决策问题，提出了决策的核心集和支撑集的概念，用可行集建立了两个集合间的关联，提出以决策的可行度作为决策能否实现的判定定理。

When solving a multicriteria decision problem, it is desirable to choose a decision function that leads to a solution as stable as possible.

因此，分析设定值的微小变动对决策结果的敏感度影响尤为重要，根据期望的要求选择一个决策函数，尽可能地求出一个稳定的解，这是求解决策问题的根本任务。

For a class of bilevel multi-objective decision,this paper converts it into the problem of equivalent single-level multi-objective decision,then makes use of the inversion property of the genetic algorithm with the ergodic property of the chaos optimization method.

针对求解一类二层多目标决策问题，首先将其转化为等价的单目标决策问题，然后利用遗传算法优化的反演性和混沌优化方法的遍历性，并结合精确不可微罚函数求解非线性约束优化问题，提出了求解此类问题的混沌遗传算法。

For a class of bilevel multi-objective decision,this paper converts it into the problem of equivalent single-level multi-objective decision,then makes use of the inversion property of the genetic algorithm with the ergodic property of the chaos optimization method.Combined with exact non-differentiable penalty function,a new chaos genetic optimization algorithm is presented.

针对求解一类二层多目标决策问题，首先将其转化为等价的单目标决策问题，然后利用遗传算法优化的反演性和混沌优化方法的遍历性，并结合精确不可微罚函数求解非线性约束优化问题，提出了求解此类问题的混沌遗传算法。

First, by use of the characteristic that the attributive value is a grey interval number, combining the thought and method of grey system theory with the classical risk decision-making method, the incidence degree formula among alternatives and the optimization model in decision-making system are constructed, and the problem of attribute weight unknownis rationally solved.

首先，利用属性值为区间灰数这一特性，将灰色系统理论的思想和方法与经典风险决策方法相融合，构建了决策系统中各方案之间的关联度公式以及优化模型，合理地解决了属性权重未知问题。

In consideration of incomplete information in the process of making decision, a class of multiple attribute group decision making problem with incomplete information is studied.

考虑到决策过程中信息的不完全性，对一类不完全信息的多属性群体决策问题进行了研究。

I hope that this success is just the first in a long series.

我希望这只是成功的开始。

Three dimensional stresses on the interface of tire and soil, tire deflection and soil sinkage are measured.

测试轮胎——沙土界面上的三向应力、轮胎变形和沙土沉陷；建立考虑剪切应力对沙土承载特性产生影响的车轮牵引性能预测模型；分析车轮作用下土壤的纵向稳定性。