dummy variable
英 [ˈdʌmi ˈveəriəbl]
美 [ˈdʌmi ˈveriəbl]
哑变量，虚拟变量
双语例句
- 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。 - 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。 - When you use sin ( x) in a plot command, gnuplot uses x as the dummy variable and gives it different values to obtain the samples.
当在plot命令中使用sin（x）时，gnuplot将x用作虚变量，并对它赋不同的值以获得示例。 - By introducing the dummy variable to represent management system reform, it finds that the coal industry marketization reform helps to improve the profit performance and safety performance.
通过引入虚拟变量，发现煤炭产业市场化改革有利于其绩效的改善。 - By setting the dummy variable the impacts of desertification on food production were analyzed and it indicated that rock desertification has a significant impact on regional food production.
以贵州省喀斯特地区县域经济为对象，通过设置虚拟变量的方式论证了石漠化对粮食产量的影响，结果显示：石漠化对区域粮食产量有着显著影响。 - 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。 - Secondly, we introduce the dummy variable and two way of taking its value, which is very important for the study of the generalized linear model with discrete responses.
其次，介绍哑变量的两种取值方法，这在研究离散响应变量广义线性模型中是非常重要的。 - By setting up dummy variable regression equation, the effect of non-economy factors is analyzed quantitatively.
建立带有虚拟变量的多元回归方程，同时考虑了影响居民电力需求的经济因素和非经济因素，定量描述了非经济因素（例如气候、生活习惯、消费习惯）对居民用电的影响。 - This paper deals with model improvement by quoting dummy variable. then, we do experimental test about Shenzhen stock market in APT model.
引入虚拟变量对金融数学中的套利定价模型（APT）进行了改进，然后利用改进前与改进后的模型分别对我国深圳股市作了实证检验。 - Objective: To explore the application of dummy variable in statistical analysis.
目的：探讨哑变量在统计分析中的应用。 - In this paper, the three methods were applied to estimate the average density of stem wood and bark, and the differences of the density in different positions of a tree and in different age class were analyzed with dummy variable method.
本文对这三种平均密度估计方法的结果进行了比较分析，并用哑变量方法对树干不同部位、不同龄组之间密度的差异性进行了检验。 - Using the methods of continued fraction and inverse computation, this paper calculates the values of Bessel function of real variable and dummy variable.
本文利用逆推方法和连分式方法，计算了实变量和虚变量Bessel函数。 - 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。 - Firstly, in the part of empirical study design, we screen 38 explanatory variables from three aspects of the intrinsic value information, the issue information and the market environmental information and use dummy variable method and factor analysis to process the data in advance.
首先在实证研究数据选择和处理阶段从内在价值信息、发行信息、市场环境信息三方面选择了38个解释变量，并通过引入虚拟变量、因子分析等方法对定性数据和定量数据进行了前期处理。 - The article also employs a control parameter: a dummy variable.
同时，文章还引入了表示市场参数的亚变量。 - 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。 - The intercept and slope of dummy variable model do not remain constant, but the variant of parameter is discrete but not continuous.
尽管在虚拟变量模型中，使回归模型的截距或斜率不再是固定不变的，但参数的变化是离散的，而不是连续的。 - This part focuses on the exponential distribution family, dummy variable and link function.
着重讨论了指数分布族、虚变量和连接函数，这三个有别于普通线性回归的方面。 - Besides, ratio variables that reflect the financial condition and development prospect, variables that reflect investor sentiment including dummy variable are also taken into consideration in order to establish multivariable regression model.
同时考虑了反映上市公司财务状况和发展前景的比率变量，以及包括虚拟变量在内的反映投资者情绪的变量，建立了多因素回归模型。 - I have constructed an urban-rural income function by the data sorted from the second sample survey and simulated the source of family income and influencing factors by introducing dummy variable, the explanation is comparably reasonable.
特别是利用第二次的问卷数据构建了城乡收入函数，引入虚拟变量对城乡居民家庭的收入来源及影响因素进行了模拟，并给出了相对合理的解释。 - Similarly, the dummy variable model and quadratic regression based upon the key variable also confirm the conclusions above.
同样，关键变量的虚拟变量模型和二次型回归的结果也印证了上述结论。 - Most of the background variables, we use a dummy variable.
大部分背景变量，本文使用了虚拟变量。 - The innovation of this paper is to change the industry factor from dummy variable to risk index factor.
本文的创新在于把行业风险因子从虚拟变量变成了风险指数。 - We examine the long-term impact by building the GARCH ( 1,1) model and adding the dummy variable Dt in the conditional variance equation.
本文通过构建GARCH（1,1）模型并在此模型的条件方差方程中加入虚拟变量Dt来考察印花税调整对股市波动性的长期影响。 - This article will apply the dummy variable GARCH model to the volatility study of the Shanghai Composite Index, expand the GARCH model in the application of the stock market.
本文将虚变量GARCH模型应用于上证综合指数的波动性研究，拓展了GARCH模型在股票市场上的应用。 - But this research uses chow test to judge if a structure mutation has occurred in the first place. If it occurred, adds the corresponding dummy variable into the model.
而本研究首先使用chow检验判断该时点处是否发生显著地结构突变，若发生则在模型中加入相应的虚拟变量。 - There are two main models used in the paper, an event study is based, another dummy variable regression model as a validation model, which provides further verification of the event study conclusions.
采用的模型主要有两种，一种是事件研究法为主，另一种虚拟变量回归模型作为验证模型，对事件研究法所得出的结论进行进一步的验证。 - Therefore, the author uses the generalized linear model dummy variable to build a new model to estimate the loss reserving.
笔者将利用广义线性模型的虚变量这一特性，以公司理赔政策这一变量为例对广义线性模型进行扩展，构建新模型对未决赔款准备金进行估算。