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sufficient statistics
相关语句
  充分统计量
     Robustness with respect to linearly sufficient statistics and linearly complete statistics
     关于线性充分统计量和线性完全统计量的稳健性
短句来源
     Bayes' Definition of Sufficient Statistics and Its Application
     充分统计量的贝叶斯定义及其应用
短句来源
     To solve the problem of the detection and estimation of the signal known except for direction in Gaussian noise for passive radar,the sequential implementation for joint detection and estimation is discussed,the sufficient statistics of unknown direction is proposed and the natural conjugate density function class is constiucted,then the algorithm of the sequential joint detection and estimation is developed.
     为解决高斯噪声中方位未知平面波信号的检测及方位估计这一无源雷达信号处理中的重要问题,在讨论联合检测与估计序贯实现的基础上,设计远场平面波信号入射方位(DOA)的充分统计量,构造自然共轭密度函数族,并将其运用到序贯算法中。
短句来源
     ILBN introduces the EM algorithm and genetic algorithm into the incremental process of Bayesian network learning,calculates the expectation of the sufficient statistics with incomplete data using EM algorithm and evolves network structures using genetic algorithm,that could avoid getting into local maxima to some extent.
     ILBN将EM算法和遗传算法引入到了贝叶斯网络的增量学习过程中,用EM算法从不完整数据计算充分统计量的期望,用遗传算法进化贝叶斯网络的结构,在一定程度上缓解了确定性搜索算法的局部极值问题.
短句来源
     The paper introduces the sequential algorithm for joint detection and estimation on the basis of sufficient statistics and reproducing probability density function. The new algorithm is used in the case of joint detection and estimation of signal known except for phase in Gaussian noise, which is a classific problem in radar or active sonar.
     在未知参数的充分统计量和再生概率密度函数的基础上,引入了联合检测与估计的序贯算法,给出了算法的实现框图,并将该算法应用于高斯噪声中初相位未知信号的联合检测与估计当中.
短句来源
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  充分统计
     Secondly,the sufficient statistics of posterior time slices were estimated using Bayesian probability statistical method,and then the time-variant transition probabilities were learned with both current sufficient statistics and estimated sufficient statistics.
     进而,利用贝叶斯概率统计方法对后续时间片的充分统计因子进行了估计,并通过当前已存在的充分统计因子和估计的充分统计因子对基于时间变化的转移概率进行了学习。
短句来源
  充分性统计量
     The approach is based on exact permutational distributions of the sufficient statistics corresponding to the regression parameters. It can analyze the small,unbalanced and highly stratified binary response data.
     这类精确推断方法是基于参数的充分性统计量的分布列,可以对多元Logistic回归模型中的多个待估计参数作出精确的推断,适用于样本含量小、具有不均衡的数据结构以及高度分层的独立二项反应资料的分析
短句来源
  “sufficient statistics”译为未确定词的双语例句
     Comparison of Restricted General Gauss-Markov Model by Linearly Sufficient Statistics and Linearly Complete Statistics
     通过线性充分和线性完全统计量比较带约束的一般Gauss-Markov模型
短句来源
     Based on sufficient statistics, this paper analyzes the underlying reasons for the current situation and changes in the efficiency of industrial structure, and puts forward suggestions for optimizing and readjusting the international tourism industrial structure in Jiangxi Province.
     在大量统计数据的基础上,运用偏离—份额量化分析方法,剖析了江西国际旅游产业结构效益的现状及其变化特征,分析了其成因,并提出了可行性的结构优化调整对策。
短句来源
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  sufficient statistics
Rotation testing handles this problem by conditioning on sufficient statistics.
      
The paper proposes a model based approach to this problem by utilizing the information contained in the sufficient statistics obtained from fitting a model to the public data by conditioning on the survey data.
      
Optimal batch-sequential designs are difficult to compute, even when sufficient statistics and relatively uncomplicated loss functions simplify the calculations required.
      
To accommodate the spatial constraints in this domain, we compute virtual measurements as sufficient statistics to be used in the M-step.
      
We then determine the data summaries (sufficient statistics) for these parameters.
      
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This paper analyses the meaning of the concepts in IRT such as information, item information function, scoring information function and their relations. The equivalence of the definitions of information in IRT and in mathematical statisti cs is explained. And the definition of item information function is re-made in a higher aspect. The application of sufficient statistics in IRT is also discussed. The properties of maximum likelihood estimator,which are observed usually in the circumstence of independent...

This paper analyses the meaning of the concepts in IRT such as information, item information function, scoring information function and their relations. The equivalence of the definitions of information in IRT and in mathematical statisti cs is explained. And the definition of item information function is re-made in a higher aspect. The application of sufficient statistics in IRT is also discussed. The properties of maximum likelihood estimator,which are observed usually in the circumstence of independent and identical distributions,are here discussed under the condition of independent and yet unidentical distributions, which is satisfied by the samples in IRT. The conclussion, nearly parallel to that in the case

本文分析了信息函数、项目信息函数、评分信息函数等IRT中的重要概念的意义及其之间的联系.说明IRT信息函数的定义与数理统计中信息函数的定义是等价的.从较高的角度重新定义了项目信息函数,并讨论了充分统计量的概念在IRT的应用.极大似然估计的性态通常仅就独立同分布的情形进行讨论.但在IRT中,样本独立而不同分布.本文就此情形进行了初步的探讨,得到的结论基本上与独立同分布的情形平行:1)(?)(个人能力参数θ的极大似然估计)是充分统计量的函数;2)(?)是其期望值的相容估计;3)实际应用中可采取一定的方法使(?)满足渐近正态性.

Abstrct For the two restricted general Gauss-Markov model LZ = (F1, X1B, V1|L1B=p1>, and L2={Yz, X2B,V2|L2B= p2}. By linearly sufficient statistics, linearly minimal sufficient statistics and linearly complete statistics, we characterized the following relations. L1 at least as good as L2, L1better than L2,L1 equivalent to L2

对于带有约束的一般Gauss-Markov模型L_1(?){Y_1,X_1β,V_1|L_1β=P_1},L_2(?){Y_2,X_2β,V_2|L_2β=P_2}通过线性充分统计量、线性完全统计量、最小线性充分统计量,我们刻划了L_1和L_2的如下的序的关系:L_1优于L_2,L_1不劣于L_2,L_1等价于L_2。

This paper describes a computer software system which includes its structure,design thoughts,working conditions and function.In the system the pathogenic bacteria,their resistanee to antibiot- ic,proper use of antibiotic,supervision of infection in hospital and medicine management are introdueed com- prehensively.The system can supply medical workers with sufficient statistic tables(13 sorts)and object graphs(more than 200 histograms and 5 Ridit charts for analysis).

本文介绍了医院内病原菌的流行及药敏谱信息处理软件系统的结构、设计思想、运行环境及功能等.它将病原菌及其耐药情况,抗生素的合理使用,院内感染监察及药事管理诸项工作有机地联为一体,可随时向有关方面提供大量的纵横统计分析数据报表(共13类)和直观的图形(两百多个直方图和5类 Ridit 分析图).

 
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