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maximum likelihood estimations
相关语句
  极大似然估计
     Approximate Maximum Likelihood Estimations for Lognormal Distribution
     对数正态分布参数的近似极大似然估计
短句来源
     Totally Maximum Likelihood Estimations of the Parameters of Matrix Normal Distribution
     矩阵正态分布参数的完全极大似然估计
短句来源
     The Predator-prey System with Random Perturbation and Maximum Likelihood Estimations of Its Parameters
     具有随机扰动的食饵—捕食者系统及其参数的极大似然估计
短句来源
     The Maximum Likelihood Estimations of Multlogistic Models
     多元逻辑模型的极大似然估计
短句来源
     The Mutualism System with Random Perturbation and Maximum Likelihood Estimations of Its Parameters
     具有随机扰动的互惠系统及其参数的极大似然估计
短句来源
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  “maximum likelihood estimations”译为未确定词的双语例句
     The maximum likelihood estimations are obtained for this model and applied to the practical data.
     得到了这种模型的最大似然估计并用之于实际数据;
短句来源
     For 2 p-multiple normal populations with unknown mean vector θ i and unknown covariance matrix ∧ i, i=1, 2, assume that there are some order restrictions among the mean vectors and covariance matrices respectively, for example, simple order restrictions: θ 1≤θ 2 and ∧ 1≥∧ 2>0. Some properties of maximum likelihood estimations of θ is and ∧ is are discussed and some results are obtained.
     对给定2个P维正态总体,未知均值和协方差阵分别为θi和∧i,i=1、2,本文考虑均值和协方差阵之间都有一个简单半序约束:θ1≤θ2,∧1≥∧2>0的条件下的估计问题,讨论θi和∧i的最大似然估计的性质,并得到一些结果
短句来源
     or the two given normal populations,their means and variances are unknown. This paper discusses the maximum likelihood estimations of the means and variances under simultaneous semi-order restrictions.
     对给定的二个正态总体.均值和方差均未知,讨论该均值和方差同时被半序约束时的保序最大似然估计.
短句来源
     In this paper, we study maximum likelihood estimations of parameters in a general regression mod-el with contamination data, and discuss some unchangeabilities for some statistics contaminated by arandom vector.
     摘要 本文研究一般的线性回归模型的观测向量受到一种污染时未知参数的最大似然估计,并讨论了若干用于统计推论的统计量在污染下的不变性。
短句来源
     . . ≥Λ\-k>0.\% Some properties of maximum likelihood estimations of \%Λ\-i′\%s are discussed and an algorithm of obtaining the maximum likelihood estimators umder the order restriction is propsed.
     对给定K个P维正态总体,协方差阵Λ1未知i=1,2,…,k,本文考虑协方差阵之间在一个简单半序约束Λ1≥Λ2≥…≥Λk>0条件下的估计问题,进而讨论Λi的最大似然估计的性质,并给出一个求解的迭代方法。
短句来源
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  相似匹配句对
     On Generalized Maximum Likelihood Estimation
     浅论“广义”最大似然估计
短句来源
     Totally Maximum Likelihood Estimation
     完全极大似然估计
短句来源
     is maximum.
     的影响极大。
短句来源
     The Maximum Likelihood Estimations of Multlogistic Models
     多元逻辑模型的极大似然估计
短句来源
     Approximate Maximum Likelihood Estimations for Lognormal Distribution
     对数正态分布参数的近似极大似然估计
短句来源
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  maximum likelihood estimations
The empirical section employsprobit, multinomial logit, and orderedprobit maximum likelihood estimations toconfirm the stated hypotheses.
      
Two separate maximum likelihood estimations of univariate marginal distributions are performed first, then followed by a maximization of the bivariate likelihood as a function of the dependence parameters.
      
A nonlinear model generating a self-exciting point process is formulated and identification of the model using maximum likelihood estimations is discussed.
      
Maximum likelihood estimations in a nonlinear self-exciting point process model
      
Generalized least squares and maximum likelihood estimations of multivariate polychoric correlations
      
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A multistage model of survival function describing metamorphisis developing Pocess of insect was Proposed in this paper. The survival Parameters such as the death hazard, the developmental hazard, the age specific death rate, the age specific developmental rate and the developmental duration for each stage are discussed from the model. The maximum likelihood estimations for them are given.A numerical example for potato tuberworms has shown the effectiveness of this model for describing the developmental...

A multistage model of survival function describing metamorphisis developing Pocess of insect was Proposed in this paper. The survival Parameters such as the death hazard, the developmental hazard, the age specific death rate, the age specific developmental rate and the developmental duration for each stage are discussed from the model. The maximum likelihood estimations for them are given.A numerical example for potato tuberworms has shown the effectiveness of this model for describing the developmental process of an insect population. It will be a theoretical basis for constructing an age-stage life table describing a multistage developmental process of insect.

针对昆虫种群变态发育过程,本文给出了一个多状态生存函数的模型。使用生存分析的方法对模型进行丁分析。本文还对有关的生存参数如各状态的死亡风险,发育风险,年龄特征死亡率,年龄特征发育率以及状态发育历期等进行了讨论并且给出了它们的极大似然估计值。关于马铃薯块茎蛾数值例子的分析表明所提出的摸型用来描述昆虫种群的发育过程是有效的。本文的结论可以做为组建描述昆虫种群多状发育的年龄一状态特征生命表的理论基础。

Markov chain models of cumulative damage have been provided a comprehensive descriptions of cumulative damage processes. In this paper we will show the description of cumulative damage processes and the philosophy of the models as well as how an exact stationary or nonstationary Markov chain can be obtained as imbeded in a continuous time discrete state process. The maximum likelihood estimations are obtained for this model and applied to the practical data. Then the AIC model fitting criterion is studied...

Markov chain models of cumulative damage have been provided a comprehensive descriptions of cumulative damage processes. In this paper we will show the description of cumulative damage processes and the philosophy of the models as well as how an exact stationary or nonstationary Markov chain can be obtained as imbeded in a continuous time discrete state process. The maximum likelihood estimations are obtained for this model and applied to the practical data. Then the AIC model fitting criterion is studied for these examples. The results show that the fitting accuracy is satisfactory.

业已证明,累积损伤的马尔可夫链模型对累积损伤过程提供了综合的描述.首先描述累积损伤过程及模型的机理;讨论怎样可以得到一个作为嵌套到连续时间—离散状态过程的平稳(或非平稳)的马尔可夫链;得到了这种模型的最大似然估计并用之于实际数据;就这些数据实例对AIC模型拟合准则进行了研究;结果表明其拟合精度是令人满意的.

In parameter estimation the parameters to be estimated are often matrices.To compute the maximum likelihood estimations of parameters, derivates of matrices are needed. In some cases, the derivation computation of matrices is difficult. In this paper, Fisher formula is applied to the calculation of obtaining some formulas in the factor analysis model and the repeated measuring model, which are relevant to derivation computation of matrices.

使用Fisher公式,得到了因子分析模型和重复测量模型中有关对矩阵微商的公式.

 
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