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- Analysis of molecular variance(AMOVA)showed that variance component among cultivars(94.4%)was far higher than that among regions(5.6%). AMOVA分析表明区域因素引起的变异(占5.;6%25)远小于品种因素(占94
- Exclusion mapping using a variance component approach was employed in a sample of 1, 816 individuals coming from 79 extended Caucasian pedigrees. 连锁排除分析在一个由79个扩展家系共1816个个体构成的美国白种人样本中进行。
- Estimate not calculated due to negative sire variance components. 1因负的父方变方成份故未估计。
- The Vondrak filtering method based on the Helmert type variance component estimation(HVF) is presented and applied to the study on GPS multipath effects. 提出了基于Helmert方差分量估计的Vondrak滤波方法(简称HVF),并将其用于GPS多路径效应的研究。
- Methods We applied generalized linear mixed models for the nuclear family data to set up the genetic variance component model and estimated parameters using MCMC. 方法将广义线性混合模型应用于核心家系资料建立遗传方差分量模型，运用MCMC方法进行参数估计。
- An iterative procedure is presented for the estimation of variance component s in the mixed model with a numerator relationship matrix from non-balanced data . 摘要 论述的是来自非均衡资料的混合模型中具有亲缘关系矩阵时利用迭代法估计方差组分问 题。
- P-values are the probabilities of having a more extreme variance component than the observed values alone. Probabilities were calculated by1,023 random permutations of individuals across populations. P值表示比观察值的变异大的概率,这个概率是通过把居群中的样本经过1,023次随机排列改变计算得到的。
- On the basis of latent variable score, Multivariate variance component modelwere fitted and the results showed that the data's characteristics of hierarchicalstructure was obvious. 基于潜变量得分，对 PSQ 问卷拟合多反应变量的方差成分模型，分析结果提示，数据具有系统结构特征，其中 VS、IS、PHS 三项指标系统结构特征较为突出，数据分析采用多水平理论更为合理。
- The author introduces process, designs, models, hypotheses, and estimated variance component of Generalizability Theory (GT) 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（GT）的步骤、设计方案、模型和假设、方差分量估计等。
- Conclusion Variance component model can appraise the situation that the individual fill in the questionnaire effectively and rationally remove those low-validity cases from data set. 结论方差成分模型可用于评价个体完成问卷的情况,对个体效度偏低的数据可以合理地剔除。
- This paper make a review about the history and development in the theory of admissibility estimation in linear model and Variance Component Model. Some open questions are also suggested. 本文综述了线性模型中参数估计的可容许性理论的历史及近年来的发展，同时也提出了一些待解决的问题。
- Objective To study genetic variance component model of qualitative traits with covariates in nuclear family,and to analyze the effects of genetic factors and environmental factors. 目的研究核心家系中带协变量的质量性状的遗传方差分量模型,定量地评价遗传因素和环境因素对质量性状的作用。
- Unbiasedness and efficiency for estimating variance components and predicting genetic effects are tested by Mone Carlo simulations. 运用蒙特卡罗模拟的方法,验证了遗传模型的稳定性和统计分析方法的无偏性。
- Two way classification models with random effects are used widely.The variance components in these models are often estimated by ANOVA estimates. 摘要两向分类随机效应模型是一种有着广泛应用的统计模型，对其中的方差分量，经常使用方差分析法来估计。
- Prediction of genetic effects by AUP method and estimates of phenotypic and genetic variance components by MINQUE(1) method are suggested for different generations. 不同世代的表型方差及各遗传方差的MINQUE（1）法估计值。
- The new method can be use d when the difference of variance components between male and female is relative ly large with full-sib analysis in actual estimation. 本文方法可以在一定程度上弥补全同胞分析时，因 实际资料的公母畜方差组分差异过大的缺陷，具有实际可行性。
- My ideas are at variance with his. 我的思想和他的不同。
- In this article, by exploiting flanking markers through the widely applied half-sib design, we have developed the structures of three variance components, i.e. 该文在侧翼标记情况下利用广泛使用的半同胞设计提出了3种方差组分，即标记组间方差、组内多基因方差和组内重组方差及其构成。
- Compared with restricted estimation of maximum likelihood (REML), MCMC was preferred to parameter inference of variance components, and was more robust for small sample data. 同时和基于似然的限制性最大似然估计法（REML）相比，MCMC方法在参数推断方面有更强的优越性，在小样本情况下可得到更稳健的参数估计。
