st: how to tag the seqence in unbalanced panel data?

[chen jie <uuphd2002@yahoo.com.cn>]

Dear statalist friends

How to create the variable of "order" in this
unbalanced panel data by stata?

ID order
A 1
A 2
A 3
A 4
B 1
B 2
C 1
C 2
C 3
....(remaining data omitted)

Thanks!





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