dummy variable

常见例句

Considering the effect of environment change on co-integration relationship, the stability of this co-integration is analyzed through specifying the dummy variable.
考虑到经济环境变化可能对协整关系造成影响，引入虚拟变量，分析了协整关系的稳定性。
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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。