Some dependent variables, belonging to category ones, served as dummy variables to make the regression result with a positively explanative sense.
自变量中的某些分类变量都采用了虚拟变量的形式，以使回归结果有明确的解释意义。
Results: By using dummy variable, we can broaden the application of regression analysis.
结果：正确使用哑变量，扩大回归模型的应用范围。
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.
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。
The Application of Dummy Variables to the Linear Regression Model;
将虚拟变量引入修正模型，再次进行回归检验。
The Application of Dummy Variables to the Linear Regression Model;
将虚拟变量引入修正模型，再次进行回归检验。
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