英语释义

1. an arbitrary mathematical symbol or variable that can be replaced by another without affecting the value of the expression in which it occurs

片语

capital structure dummy variable资本结构哑变量

Least-Squares Dummy-Variable最小二乘虚拟变量模型

dummy variable name翻译

Dummy Variable Model模型

Least Square Dummy Variable虚拟变量的最小二乘法

dummy exogenous variable虚拟外生变量

Congestion dummy variable拥挤虚拟变量

dummy variable regression[经]

英汉例句

• 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。

• 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。

• 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着影响。

• fourth, dummy variable d_2 was also included for the sake of considering how the priority of the fund」s buying new stocks influenced the earning rate of the fund.

  第四，添加了哑变量d_2，以考察投资基金享受优先配售新股的权利对于基金收益的影响。

• method: dummy variable is used for analysis of covariance and analysis of variance.

  采用协方差分析方法，对油菜田除草剂的试验结果进行了分析。

• 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。

• then, within-plot time series error autocorrelation of basal area data and cutting intensity which were expressed with dummy variable were taken into account in mixed model.

  然后，在此基础上考虑断面积连续观测数据的时间序列相关性，并把间伐强度以哑变量形式考虑进去，再进行混合模型的模拟；

• 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。

• 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。

• examples in this paper show that the dummy variable can draw some quality markers which is impossible to be quantized into the linear regression model.

  借助虚拟变量，在线性回归模型中引入品质标志，使模型更完善；

• methods dummy variable is introduced into the linear regression equation to correct cyclical variation and reduce error of forecasting.

  方法在线性回归方程中引用哑变量，修正周期性变化，降低预测的误差。

• and then combining the data, the use of econometric models in the dummy variable model analysis of the international financial crisis on china」s economic growth influence「s intensity.

  然后结合相关数据，运用计量经济模型中的虚拟变量模型分析了国际金融危机对我国经济增长影响的强度。

• 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。

• drawing the conclusions: first, urban and rural residents」expenditure behaviors can be explained by persisting income model and absolute income model adopting dummy variable individually;

  得出以下结论：一是我国城镇居民和农村居民的消费行为分别能由持久收入模型和引入虚拟变量的绝对收入模型来解释；

• 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。

• 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。