在估计机载航电系统费用时，对数线性回归估算关系式存在许多问题。
There exist many problems for the logarithm linear regression formulations during estimating the cost of airborne avionics system.
何时以及如何使用幂、对数和其它转换来对数据进行线性化，以便用简单线性回归来对该数据建模
When and how to use power, logorithmic, and other transformations to linearize the data so that simple linear regression can be used to model the data
方法采用线性回归、逐步线性回归分析等的方法对数据进行分析。
Methods Analyses of data were conducted by means of linear regression analysis and stepwise linear regression analysis.
在因子范围服从对数正态分布下，应用线性回归技术和极大似然法建立了模型参数的测定方法。
Parameters of the model are measured by a linear regression technique and a maximum likelihood method.
建立了土壤重金属含量的对数值与发射率标准化比值的线性回归模型，并对回归方程的显著性进行了检验。
Linear regression models are established for both logarithm of heavy metal content and normalized ratio emissivity and are used to verify the significance of the regression equations.
建立了土壤重金属含量的对数值与发射率标准化比值的线性回归模型，并对回归方程的显著性进行了检验。
Linear regression models are established for both logarithm of heavy metal content and normalized ratio emissivity and are used to verify the significance of the regression equations.
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