Re: st: Collapsing with strings

["Michael Blasnik" <michael.blasnik@verizon.net>]

be changed to:
       . merge id using second , update

Michael Blasnik
michael.blasnik@verizon.net


----- Original Message ----- 
From: "William Gould, Stata" <wgould@stata.com>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, January 16, 2006 9:05 AM
Subject: Re: st: Collapsing with strings



> Daphna Bassok asked, 
> <snip>
>        . use first, clear
>        . merge id using second 
>        . assert _merge==3
>        . drop _merge 
>        . append using nondups
>
> -- Bill
> wgould@stata.com
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