In longitudinal data analysis, homogeneity of variance is a basic assumption.
在纵向数据分析中，模型方差的齐性是一个基本假定。
The linear mixed model for longitudinal data proposed by Laird and Ware is studied.
考虑纵向数据的一般线性混合效应模型。
There exist few longitudinal data on the predictive role of CIMT in the occurrence of carotid plaque.
目前很少有关于颈动脉斑块的发生在CIMT中的预测作用的纵向数据。
In this paper, we consider the diagnostics for the mean and covariance parameters in longitudinal data model.
本文主要研究了纵向数据模型的均值参数和方差参数的统计诊断问题。
The prominent advantage of longitudinal data is that it can analyze effectively the change of individuals over time.
纵向数据的最大优点就是它将截面数据和时间序列数据结合在一起，更好地分析出个体随时间的变化趋势。
Conclusion: Multivariate and multilevel models can effectively analyze longitudinal data with several dependent variables.
结论：多元多层模型可有效地分析具有多个因变量的纵向研究资料。
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。
Limitations of this study are: first, fewer longitudinal data collection (year), resulting in statistical results would produce a certain deviation.
本文研究的局限是：首先，纵向数据采集的较少(年份)，造成统计结果会产生一定的偏差。
We first develop the tests for varying dispersion in two special generalized nonlinear models of longitudinal data: (1) logistic nonlinear models in binomial data;
首先刻画了非线性随机效应模型的异方差类型，进而研究了非线性随机效应模型的异方差检验；
Longitudinal data is referred to data in which individuals are measured repeatedly through time, so it combines elements of cross-sectional data and time-series data.
纵向数据是指对每个个体在不同时间进行观测而得到的由截面和时间序列融合在一起的数据。
Longitudinal data is typical related data, and it is desirable to choose correct data variance structure since the correct structure affects the efficiency of estimation.
纵向数据为典型的相关数据，数据方差结构选择的正确与否直接影响估计的效率。
Longitudinal data such as repeated measurements taken on each of a number subjects over time arise frequently from many biomedical and clinical studies as well as from other scientific areas.
纵向数据例如在每一采取的重复的测量数字服从频繁地随着时间的过去出现从许多生物医学和临床研究以及从其他科学区域。
Redline offered one additional hypothesis, pointing out that limited longitudinal data indicate that overall sleep times have been declining, by one or more hours, over the past 20 to 30 years.
Redline提出了另一个假设，指出有限的纵向数据提示在过去的20- 30年中，全部的睡眠时间已经减少了一小时或者更多。
We estimated the time at which the rate of decline begins to accelerate (the change point), and the pre - and post-acceleration rates of decline, from the longitudinal data using a change point model.
利用改变点模型从纵向数据中找出加速点、前加速期下降速率和后加速期下降速率。
The researchers came to their conclusion after analysing data collected through the American National Longitudinal Survey of Youth.
在对美国全国青年纵向调查搜集的数据进行分析之后，研究者们得出了上述结论。
The data come from the National Longitudinal Study of Adolescent Health.
数据来自美国青少年健康长期研究所。
"The longitudinal imaging data and associated knowledge gathered forms a unique resource that doesn't exist anywhere else in the world," says Lainhart.
“这些纵向比较的成像数据，以及由之产生积累的知识是一项独特重要的资源”莱哈特博士说。
The analysis uses two waves of data from the "National Longitudinal Study of Adolescent Health" and the "Adolescent Health Academic Achievement Study."
分析者从两组数据进行研究"纵向的研究全国范围内的青少年健康”和“青少年健康学术研究”
My interest in the psychology of accidents began more than a dozen years ago when I was fortunate enough to gain access to the longitudinal Terman data.
12多年前，当我有幸可以接触到Terman的纵向数据时，我开始对意外事故心理学感兴趣。
Longitudinal authentication: authentication, encryption, access control and other means to achieve the safe transmission of data and the security of the vertical sector.
纵向认证：采用认证、加密、访问控制等手段实现数据的安全传输以及纵向界的安全防护。
Using data from the third wave(2002) of Chinese Longitudinal Healthy Longevity Survev(CLHLS), this paper investigated the gender differences in personal care of the oldest-old in China.
本文利用2002年中国老年人健康长寿调查数据，对比分析了在家庭中居住的高龄老人由儿子或女儿提供日常照料的可能性。
The study draws upon data from the children's health study (CHS), a longitudinal study of respiratory health among children in 12 southern California communities.
本研究使用了来自儿童健康研究(CHS)的数据，该项研究是一个对12个南加州县的儿童的呼吸道健康的纵向调查。
Summary of Background Data. Longitudinal studies to investigate NSP incidence and risk factors are rare, and even fewer have been conducted in middle - and low-income countries.
背景知识概要：关于颈肩痛的发生率及其危险因子的纵向研究不多，而在中低收入国家进行的此类研究更加少见。
Results The data of horizontal and longitudinal anatomy location of Jiajixue were obtained.
结果获得夹脊穴横向、纵向解剖定位的数据。
So says a new analysis of data from the Wisconsin Longitudinal Study, which follows more than 10,000 people who graduated from the blackboard jungle in Wisconsin in 1957.
这些结果来自威斯康星州纵向研究的一份新的数据分析报告，该研究对1957年毕业于威斯康辛州秩序混乱中学的1万多人进行了跟踪调查。
So says a new analysis of data from the Wisconsin Longitudinal Study, which follows more than 10,000 people who graduated from the blackboard jungle in Wisconsin in 1957.
这些结果来自威斯康星州纵向研究的一份新的数据分析报告，该研究对1957年毕业于威斯康辛州秩序混乱中学的1万多人进行了跟踪调查。
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