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st: RE: Re: Unique identifier
Janet Willard <mailto:firstname.lastname@example.org> wrote at Friday, October 29,
2004 9:38 AM:
> I have a dataset that consists of a number of patients and the tooth
> treated, typically of the form Evans LL5. I wanted to combine these into a
> single numerical variable to identify each specific patient / tooth
> combination. The syntax I have used is:
> catenate code = patient tooth,punct(no)
> encode code,gen(code1)
> This returns a long variable which has the "numerical value" EvansLL5.
> I really wanted was a numerical variable such as 1. Can I achive this?
. egen code = group(patient tooth)
for more options to group:
. whelp egen
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