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。
Students examine the application of statistical analysis, hypothesis testing, and regression analysis in business decision making.
在本课程中，学生将学习统计分析、假设检验、回归分析等知识在商业决策中的应用。
During the course of planning and design, there are many affecting factors, so the application range of multiple regression analysis is wider and more complex.
规划设计过程中，一般有多种影响因素同时存在，所以从某种意义上讲，重回归分析法的应用范围似乎更广泛和复杂。
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