dummy variable中文什么意思

【数学】虚变量。

• dummy:    n. 1.〔口语〕哑巴；经常沉默的人 ...
• variable:    adj. 1.易变的，变化无常的，无 ...
• congestion dummy variable:    拥挤虚拟变量

例句与用法

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1. Congestion dummy variable
   拥挤虚拟变量
2. Finally , interactive time dummy variables are incorporated into the model to highlight the significant relational dynamics in our sample
   最后，通过设置时间虚拟变量来考察各年度的各影响因素对资本结构的影响程度。
3. This study analyzes what the best scale is and prove this finding with real cases . in the multi - factor regression model , a dummy variable is created to represent the comprehensive market conditions
   基金不具备很强的择时能力,我国基金存在最优规模问题,相关的外部环境不利于基金对于自身绩效的控制。
4. To solve the problem , the author introduces a dummy variable representing the rural households " income gap in the eles model , and thus expands eles to the 2 extended linear
   经济转轨时期，未来的不确定性是一个突出的问题，也是新古典理论研究的重要领域，本文首先研究了不确定性与农户消费的关系，并提出了“浴盆”曲线假说理论。
5. And also expounding that the first - fight - time can give explanation to the advanced techniques , the estimating ranges of first - fight - time in alcc estimating are expanded . the type - changed index and type - difference are selected as dummy variables . it has discussed mearsursion of type - changed index , and three criterions and three methods to set models including the dummy variable are got
   说明性变量选取：说明性变量的选取基于费用因子分析，特别讨论了首飞时间对费用预测的影响，论述了首飞时间能对技术先进性作出说明，拓宽其在费用预测中的作用，选取改型指数虚设变量，研究了改型的量化方法，提出了判别准则和实现方法。