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.
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.
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.
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.
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.
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...
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...
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