请问各位大佬我的这个数据如何在stata中转换成面板数据?查了一些reshape的教程看不太懂
用了这个链接里的教程我看着是一样的啊:Stata - reshape 数据格式变换 - 知乎 (zhihu.com)
就是报错:
variable id does not uniquely identify the observations
Your data are currently wide. You are performing a reshape long.
请问这个怎么处理啊