我们经常使用generate(后文简称gen) 命令提供的group()函数对某个变量进行分组,产生分组变量gg,继而基于gg变量进行后续的分组回归分析。 例如,在公司金融中,常用如下代码产生融资约束的分组指标: *-用公司规模衡量融资约束,分成三组 . bysort code: egen av_size = mean(size) . sort av_size . gen gg = gro...
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在使用Stata的gen命令中的group()函数进行数据分组时，一个潜在风险在于函数的工作原理可能导致分组结果不稳定。具体来说，group()函数在对某个变量排序后进行分组，但排序时的随机性可能影响分组结果的唯一性。让我们通过一个小例子来揭示这一问题。假设我们有以下数据，对变量x进行排序并执行gen g = ...
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Before the group debuts, let's check out some quick facts about this new 5th gen group. Fandom name: ZE_ROSE Sung Hanbin With the success we're already seeing with the group pre-debut, we already know they're only going to keep growing bigger, and for that to happen, we need...