无声流苏 发表于 2021-1-26 20:09
我又重新运行了一下,运行错误提示是这样的:
There exist time-invariant individual(s) (maybe only o ...
你好,我有 xthreg2 的安装包, 但是运行时也一直出现这种情况,请问您解决了吗:
There exist time-invariant individual(s) (maybe only one obs): y1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10
year must have multiple distinct nonmissing values
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201601012@csu.edu.cn