Note that the dummy variable declaration has disappeared: you don't need it because you now have an actual statement in the exception handler.
注意，伪变量声明已经没有了：不再需要它是因为现在在异常处理函数中有了实际的语句。
Even though this dummy variable here has nothing to do with the particular choice that's made here.
即使这里的哑标,和我们所做的选择,没有什么关系。
Method: Dummy variable is used for analysis of covariance and analysis of variance.
方法：在协方差分析与方差分析中使用哑变量。
Dummy variable: a constructed variable used AS a means of including factors that are not naturally quantifiable in an econometric model.
虚变量：一个虚构的变量，用来包括在经济模型中不能自然量化的因素。
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。
Third, dummy variable D_1 was included. The contribution to the earning rate of fund by different market conditions (bull and bear) was considered.
第三，添加了哑变量d_1，对于处于股市的不同阶段(牛市和熊市)可能对基金收益产生的贡献给予不同的权重。
The dummy variables can only describe discrete changes in price indices, such as selling off-season dummy variable method will not be able to provide high precision analysis.
而虚拟变量只能描述价格指数的离散变化，比如在销售淡季虚拟变量法就不能提供精度较高的分析结果。
The dummy variables can only describe discrete changes in price indices, such as selling off-season dummy variable method will not be able to provide high precision analysis.
而虚拟变量只能描述价格指数的离散变化，比如在销售淡季虚拟变量法就不能提供精度较高的分析结果。
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