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st: Merge2

From   "Lucy @ Mac" <>
To   Statalist <>
Subject   st: Merge2
Date   Fri, 09 Mar 2007 17:43:01 +1100

Hi all again,

Regarding the -merge- question where I have already performed a merge
function from A.dta to B.dta, whenever I try to merge the dataset again, I
am told that "_merge already defined".

However, I cannot locate the _merge variable in the dataset and thus cannot
drop it or rename it.  Anybody got a reason for this phenomenon??


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