I am not aware of a lag function, i.e. -lag()-, in Stata. There is
a lag operator L. but that is not appropriate for your purpose.
You may be in search of
bysort race : gen id = _n
or
bysort race : egen id = seq()
although note that the labelling produced is essentially arbitrary
in either case.
Nick
[email protected]
[email protected]
> for example, there are 17 people who have the same ethnicity.
> If I want to give
> them a sequential number 1 2 3..........17, how can I use lag
> function to do this?
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