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Re: st: Unique identifier from a string name


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Unique identifier from a string name
Date   Thu, 24 Nov 2011 15:50:13 +0000

I don't understand in what way your problem needs anything esoteric.

-egen, group()- can be used with numeric variables too, but it is
based on Stata's default sort orders. -encode- by default works
similarly.

Nick

On Thu, Nov 24, 2011 at 3:10 PM, Barry Quinn <b.quinn@qub.ac.uk> wrote:
> Thanks for all the suggestions.
>
> The context of the problem is to build a panel from yearly data using firm names as the unique id with the -merge- command.
>
> Nick/Daniel:
> I had thought of  -encode- and -egen-'s-group()- but my panel is unbalanced and I presume both of these are based on an alphabetical sort order?
>
> Brendan: I think your solutions may prove more useful although am not sure how to turn it into an id to use with -merge-

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