方差分量

A variance component estimator of Helmert type-based dynamic Kalman filtering is derived in this paper.

针对Kalman滤波模型推导了严密的Helmert方差分量估计公式。

The author introduces process, designs, models, hypotheses, and estimated variance component of Generalizability Theory at length on the basis of three kinds of educational test theories.

本文在简要回顾三大测量理论的基础上，较详细的阐述了概化理论的步骤、设计方案、模型和假设、方差分量估计等。

Purpose To compare restricted estimation maximum likelihood to markov chain monto carlo for genetic variance component model of quantitative trait in nuclear family.

目的 比较限制性最大似然估计和马尔可夫链蒙特卡罗方法在数量性状遗传方差分量模型中参数估计的偏差和精度。

The results indicate that the vertical component of wind velocity variance remains unchanged but the hori- zontal component increases as the sampling length increases.

结果表明：在进行湍流统计特征量计算过程中，采样长度增加时，垂直分量风速方差无明显变化，水平分量风速方差增大；随着风速的减小以及稳定度参数 z/L的增加，采样长度对计算结果的影响变得更为突出。

For Panel data model, this thesis studies the comparisons about two stage esti-mator, least square estimator, Within estimator and Between es-timator of regression parameter under generalized mean square error criterion and Pitman criterion.

在广义谱分解估计的基础上，应用目前备受关注的广义p值方法给出了混合模型方差分量的精确检验，通过模拟研究表明此检验方法能够很好的兼顾控制犯第一类错误的概率和功效。

In the fourth chapter, we research the robust estimation of both mean and variance components in the generalized semiparametric mixed models based on the idea of "robustified likelihood function".

第四章主要基于"稳健化的似然函数"研究了半参数广义混合效应模型下均值和方差分量的稳健估计。

The range of variation of differentiation coefficient of morphological traits among population was between 11.85% to 28.34%.

结果表明，板栗种群间的方差分量占总变异的10.97%，种群内的占41.57%，7个性状种群间的表型分化系数变幅在

Keywords: Mixed effects model; Variance components; Spectral decomposition.

中文关键词：混合效应模型；方差分量；谱分解

Also positive estimates of variance components are proposed, which have smaller mean-square error than ANOVA estimates, in two way classification models with random effects.

并把这一方法应用到两向分类随机效应模型，给出其中两个方差分量的正估计。

The influence functions of the variance components or the ratio of the variance components on the state estimates of the Kalman filter are also deduced.

推导了方差分量估计对Kalman滤波解的影响。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。