查询词典 statistical decision problem

Through discussing good and bad points of several common statistical measures and examining the relationship between such measures,we discover that the statistical method itself also has some unsatisfactory places,one of improvement means is to use the axiomatic method and the welfare method.

从理论上讲，有许多种可实际应用的度量不平等的方法，每一种度量方法都具有一些值得称颂的优点，同时也存在一些难以克服的缺点，其中实践中使用得最为广泛的就是统计度量方法。

In this paper, univariate or/and bivariate binormal model was established and its parametrers was estimated by the"method of scoring". To calculate the statistical significance of the difference between two ROC curves using any one of three distinct statistical tests: the bivariate Chi-square test, the area z-score test, and the TPR z-score test.

本文探讨了单变量、双变量双正态ROC模型的构建及其参数的最大似然估计方法；采用双变量卡方检验、真阳性率z检验、面积z检验三种方法比较了ROC曲线间是否具有显著性差异。

In theory, kinetic theory of gases with classical mechanics and statistical methods based on the thermal motion and interaction to make the appropriate simplifying assumptions, gives molecular modeling and collision mechanisms, using probability theory dealing with a large number of elements of collective behavior, characterized by the collective movement find the statistical average value.

理论上，气体动理论以经典力学和统计方法为基础，对热运动及相互作用做适当的简化假设，给出分子模型和碰撞机制，借助概率理论处理大量分子的集体行为，求出表征集体运动的统计平均值。

Having compared and analyzed the problems existing in the recent marine accident statistical work in China, the definition, category, classification, statistic of accident causes of safety statistical data were redesigned, the implementation steps of systematic safety management system were brought up.

以实现统计数据的标准化、网络化和智能化为目标，提出创新性的系统化建设我国海运安全管理系统分阶段的实施步骤。

Convergence, statistical convergence in probability, and statistical convergence in distribution respect to a.s.

收敛，依概率收敛，依分布收敛相对应的统计收敛的定义，给出了统计a.s。

The mainly contents include: the research design of statistical survey, survey methods, the statistical sorting and analysis of information (contingency table, correlation measurement, inferential statistics, regression analysis, variance analysis, cluster analysis, factor analysis, principal component analysis), the composing of investigation report and the appliance of SPSS.

课程对社会统计和社会调查研究方法进行全面的介绍，要求学生牢固掌握社会统计和社会调查的基本研究方法，能熟练运用社会统计和社会调查的方法和技术从事社会研究工作，对社会统计学的概念和术语有一般程度的掌握，能应用SPSS软件进行社会统计和调查工作。本课程主要内容包括：统计调查的研究设计、资料的调查方法、资料的整理与统计分析方法（列联表、相关关系测度、推断统计、回归分析、方差分析、聚类分析、因子分析、主成分分析等）、撰写调查报告、SPSS应用等。

Analysis shows that the accumulative excess events of steady 3TeV gamma ray emissions from Crab Nebula was increasing stably and the statistical significance reached 3.2σ, whereas no statistical significant evidence of steady 10TeV and 30TeV ga...

分析表明，来自CrabNebula的 3TeVγ射线的累积信号事例数显示了稳定增长的趋势，显著性达到了 3.2σ，但没有发现 1 0TeV和 30TeVγ射线稳定发射的迹象

Analysis shows that the accumulative excess events of steady 3TeV gamma ray emissions from Crab Nebula was increasing stably and the statistical significance reached 3.2σ,whereas no statistical significant evidence of steady 10TeV and 30TeV gamma ray emissions was found.

分析表明，来自Crab Nebula的3TeVγ射线的累积信号事例数显示了稳定增长的趋势，显著性达到了3.2σ，但没有发现10TeV和30TeVγ射线稳定发射的迹象。

At present, the management and analysis of statistical data in the statistical departments of our country is based on the traditional mathematical methods and 2-D table, which are difficult to reflect the spatial distribution and the rule of the social economic phenomena.

目前，我国统计部门对统计数据的管理与分析是基于传统的数理统计方法和二维表格进行的，这种单一的表现形式难以反映出社会经济现象在空间上的分布情况与规律。

Results:Results of HE staining after pulsed CO2 laser irradiation: statistical results of vacuole change of the odontoblast and vascular engorgement, hemorrhage of dental pulp were as following: there were statistical difference between A and C, A and D, A and N P

结果：脉冲CO_2激光照射后HE染色结果：成牙本质细胞空泡性变和牙髓血管充血和出血情况的数据经统计学分析后得出：A组和C组、D组、N组差异有统计学意义P

The French are not suggesting a new EU treaty, but they have plenty of other wheezes.

法国人并不是在建议签署一个新的欧盟条约，但他们有许多其他的阴谋。

This letter was written by my brother.

这封信是我弟弟写的。