对系统进行了协方差分析。
统计方法采用逐步向前变量选择协方差分析。
Covariance analysis with forward stepwise variable selection was carried out.
目的探讨协变量的不均衡对协方差分析的影响。
Objective To study the effect of covariate imbalance on analysis of covariance.
方法：在协方差分析与方差分析中使用哑变量。
Method: Dummy variable is used for analysis of covariance and analysis of variance.
两组间结果比较采用t检验及协方差分析法进行分析。
The results were compared and analyzed with the t test and analysis of covariance between the two groups.
运用协方差分析法比较两组婴儿MDI和PDI的差异。
By analysis of covariance we compared the difference of MDI and PDI between the two groups.
运用协方差分析法比较两组婴儿MDI和PDI的差异。
By analysis of covariance the differences of MDI and PDI between the two groups were compared.
采用协方差分析方法，对油菜田除草剂的试验结果进行了分析。
Covariance analysis was used to analyze herbicide efficacy data from rapeseed experiments.
摘要采用协方差分析方法，对油菜田除草剂的试验结果进行了分析。
Covariance analysis was used to analyze herbicide efficacy data from rapeseed experiments.
利用协方差分析方法评价教学效率，为教学的科学管理提供了重要依据。
We use the covariance analysis method to appraise teaching efficiency and provide an important basis for scientific management of teaching.
带有层套关系因子变量的协方差分析模型在实际应用中有广泛的适应性。
The covariate analysis model with some nested factors is widely used in practical problem.
遗传协方差分析结果表明，5个重金属元素含量间的基因型协方差均为正向。
Analysis on genetic covariance proved that genotype covariance was detected to be positive between these 5 heavy metal contents.
以双因素协方差分析为例，介绍如何用代数中投影的方法进行离差平方和分解。
Take the two-factor covariance analysis for example, the projection method is used to decompose the derivate square.
协方差分析表明，海拔和坡位都没有对辽东栎林的群落多度格局产生显著影响。
Covariance analysis suggested that both slope position and altitude had no significant effects on the species abundance patterns of Quercus wutaishanica community in the study area.
为了排除吸入阿托品后基础FEV_1变化的影响，采用协方差分析法进行检验。
In order to get rid of the effect of baseline FEV1 changes induced by atropine inhalation, covariance analysis was used.
但协方差分析结果表明，本次测量的母鸭体尺间的部分差异是由于体质量的差异带来。
The covariance analysis results showed that the difference between female duck body size is correlated with the difference between body weight.
结果将GLM简化成适用于回归分析、方差和协方差分析、多水平模型等具体的统计模型。
Results to simplify GLM into several particular statistical models which are suitable for regression analysis, analysis of variance and covar...
研究调查了277名创业者，对被试的四种规则聚焦水平进行了协方差分析和分组回归分析。
After investigating 277 entrepreneurs, the paper analyzed the effects of regulatory focus on the decision making by ANCOVA and regression analysis.
提出了教学效率的协方差分析分析模型，介绍了模型的参数估计及假设检验的计算公式和方法。
The paper puts forward covariance analysis model about teaching efficiency, introduces some calculation functions and methods on the point estimation and testing hypothesis about the model.
线性模型是一类很重要的统计模型，它包括回归模型、方差分析模型、协方差分析模型以及混合模型等。
Linear model is a vital class of statistical model which involves regression model, variance analysis model, covariance analysis model and mixed model etc.
线性模型是很重要的一类统计模型，它包括线性回归模型、方差分析模型、协方差分析模型和方差分量模型等等。
Linear models are especially important statistical models, including linear regression model, variance and analysis, covariance and analysis, and variance and component one etc.
在应用协方差分析充分均衡了两组的血铅水平后，ALAD1- 2的选择反应时间与ALAD1- 1组十分接近。
When the blood lead level was adjusted by covariance analysis, reactive time in choice reaction test of the ALAD1-2 genotype was closed to that of ALAD1-1 homozygote.
结果：采用混合线性模型协方差分析发现，与婴幼儿生长密切相关的主要因素为月龄、是否SGA、性别和出生体重；
Results:Mixed linear models statistical method revealed that the main factors of child growth were age, SGA or not, gender and birth weight.
结论：在协方差分析中使用哑变量使对模型的理解变的简单，在方差分析中使用哑变量使得可以从回归的角度来理解模型。
Conclusion: It is easy to understand the analysis of covariance and analysis of variance can also be considered in regression analysis setting by defining appropriate dummy variables.
方法应用直线相关回归、逐步多元回归和协方差分析等统计学方法分析暂时性听阈位移与听阈、噪声强度、工龄、年龄等因素之间的关系。
Method Statistical methods of linear regression, multiple stepwised regression, two-way ANOVA were used to analysis the relation of TTS with audition, noise level, working-year and age.
本文提出了一种多个加速度计的冗余制导方案，以仪表误差引起的制导命中误差最小为准则，用协方差分析法，导出加速计最佳安装方位。
This paper presents a multi-accelerometer redundant guidance scheme. The optimum orientations of accelerometers are derived to minimize the missing distance caused by instrument errors.
采用线性插值及双线性插值得到预测点位置上的本征模态值。 结构由原风压场协方差分析得到的主坐标和上述新本征模态值获得未布置测压点位置的风压时间序列。
The linear interpolation and bilinear interpolation were employed to obtain the values of the proper modes on locations where the wind pressure time series are to be predicted.
将两组按照年龄分为高年龄组和低年龄组进行协方差分析，数字广度和空间广度测验均表现出显著的组别和年龄效应（均P<0.05），但组别和年龄无交互作用（均P >0.05）。
There were age and group main effects both on digit span performance and space span performance( P <0.05), but no interactive effects were revealed between age and group ( P >0.05).
将两组按照年龄分为高年龄组和低年龄组进行协方差分析，数字广度和空间广度测验均表现出显著的组别和年龄效应（均P<0.05），但组别和年龄无交互作用（均P >0.05）。
There were age and group main effects both on digit span performance and space span performance( P <0.05), but no interactive effects were revealed between age and group ( P >0.05).
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