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st: values of string variable into matrix rownames


From   "Tom Boonen" <tom.boonen.maiden@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: values of string variable into matrix rownames
Date   Fri, 2 Mar 2007 16:11:37 -0500

Hi,

how can I extract values of a string varaible and put them into
rownames of a matrix?

Assume I have a string variable "city". Now

tab city

London 1
Berlin 1
.

How can I grab the London, Berlin, etc. vector of names to put them
into the colnames of a matrix later on?

Thanks very much.

Tom
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