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st: Can you get sign of value only?


From   "Danielle H. Ferry" <dferry@nber.org>
To   statalist@hsphsun2.harvard.edu
Subject   st: Can you get sign of value only?
Date   Thu, 23 Mar 2006 17:57:20 -0500

Hi there,
Is it possible to get the sign of a value? I.e., I would like to multiply the
var x by either -1 or +1 depending on the sign of var y. Can I do this?
Danielle H Ferry

--
National Bureau of Economic Research <http://www.nber.org>

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