Further using Covariance Structure Model, we make an empirical analysis of these factors.
并采用协方差结构模型分析方法，对这些因素进行了实证研究。
It is necessary to make a reasonable covariance structure for longitudinal data so as to fit these data with linear or nonlinear models.
为了用线性或非线性模型拟合纵向数据，需要确定一个合理的协方差结构。
Chapter 2 studies the tests for heteroscedasticity and correlation in longitudinal data model with uniform correlation covariance structure.
第二章系统讨论了具有一致相关的纵向数据模型中异方差和相关性的检验问题。
Covariance velocity spectrum is based on the fact that the sampled data can be arranged in eigen structure of covariance matrix.
协方差速度谱是基于采样数据可以排列成协方差矩阵的特征结构而设计的。
Modeling time-dependent expected mean vectors of QTL genotypes and the structure of the within-subject residual covariance matrix are the essence for functional mapping QTL of dynamic traits.
拟合与时间相关的QTL基因型的期望均值向量和剩余误差的协方差矩阵是动态性状功能定位的核心内容。
In this paper, by using the special structure of the covariance matrix, a fast high resolution method based on QR decomposition is presented.
利用阵列输出协方差矩阵的特殊结构，本文提出一种基于QR分解的高分辨谱估计方法及其改进形式。
In this paper, by using the special structure of the covariance matrix, a fast high resolution method based on QR decomposition is presented.
利用阵列输出协方差矩阵的特殊结构，本文提出一种基于QR分解的高分辨谱估计方法及其改进形式。
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