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Re: st: help merge


From   "Ritesh Mistry" <riteshm@ucla.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: help merge
Date   Mon, 8 Sep 2003 17:00:48 -0700

david,

thanks for your response.

i attempted the method you suggested (i am using stata version 7.0) and got
the following error message:

keep() invalid
r(198);

i don't think --merge-- allows a 'keep' option, unless something screwy is
happening with my machine.

best,

ritesh

----- Original Message -----
From: "David Kantor" <dkantor@jhu.edu>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, September 08, 2003 2:51 PM
Subject: Re: st: help merge


> At 02:23 PM 9/8/2003 -0700, Ritesh Mistry wrote:
> >i have a simple problem about merging datasets.
> >
> >i would like to add variables to analytic.dta from master.dta.
> >
> >analytic.dta contains a subset of variables from master.dta. both
datasets
> >have the same observations.  how do i add a specific set of variables
from
> >master.dta to analytic.dta? i don't want to merge all the data, only
certain
> >variables.
> >
> >i'd appreciate any help. thanks!
>
> What you want is...
> merge varlist1 using master, keep( varlist2 )
>
> where varlist2 is the set of variables that you want to take from master.
> varlist 1 is the set of key variables.
>
> I hope this is helps.
> -- David
>
> David Kantor
> Institute for Policy Studies
> Johns Hopkins University
> dkantor@jhu.edu
> 410-516-5404
>
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