请教一下,一般情况下 做PANEL DATA的时候第一步需要做数据分类
xtset region year
请问可不可以把 year 放在 region 的前面?
xtset year region
希望大家帮忙
楼主: laban2007
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求教 Panel Data 问题 |
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回帖推荐I think you must go to the help site of Stata, http://www.stata.com/help.cgi?xtset.Because the rule of command of Stata, you can't change the order of variables.Th first variable must be a panel variable and numeric, not string.If your first variable is string, you must change it to numeric.The second variable must be a time variable like year, day.I hope this information help you.eblog
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