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。

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Linear models are especially important statistical models, including linear regression model, variance and analysis, covariance and analysis, and variance and component one 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。

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In the traditional financial risk measurement model, the basic method is based on normal distribution, and then the variance-covariance method used to solve the portfolio value at risk.

在传统的金融风险度量模型中，基本都是基于正态分布，然后运用方差一协方差法来求解资产组合的风险价值。

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