st: Re: Merge2

["Sergiy Radyakin" <Radyakin@aoek.uni-hannover.de>]

Type
des _merge
to see if you have this variable already

Type
drop _merge
to drop this variable

Read help for -merge- and -update-

Regards,
S.R.


----- Original Message ----- 
From: "Lucy @ Mac" <gihund@mac.com>
To: "Statalist" <statalist@hsphsun2.harvard.edu>
Sent: Friday, March 09, 2007 7:43 AM
Subject: st: Merge2



> 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??
>
> Lucy
>
>
> *
> *   For searches and help try:
> *   http://www.stata.com/support/faqs/res/findit.html
> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/ 
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/