RE: st: Re: Retrieving a master dataset after merging

["louis boakye-yiadom" <louisby@hotmail.com>]

Thanks for your comments, Michael. I dropped _merge, however, so it seems I 
can't retrieve the dataset. I probably just have to redo the changes I did 
to dataset A. Thanks.

Louis




> From: "Michael Blasnik" <michael.blasnik@verizon.net>
>
> Well, I don't think you should ever save the new merged dataset on top of 
> the master (i.e., don't use -save, replace-).  If you follow this advice 
> then you could just -use master-.  Assuming you didn't follow this advice, 
> you can retrieve the master dataset (if you didn't specify -update- as an 
> option).  Just type:
>
> keep if _merge==1 | _merge==3
> drop _merge
>
> if the using dataset contains some variables not in the master dataset, you 
> then drop those:
>
> drop usingvar1 usingvar2 usingvar3...
>
> Michael Blasnik
> michael.blasnik@verizon.net
>
> ----- Original Message ----- From: "louis boakye-yiadom" 
> <louisby@hotmail.com>
> To: <statalist@hsphsun2.harvard.edu>
> Sent: Saturday, April 09, 2005 12:24 PM
> Subject: st: Retrieving a master dataset after merging
>
>
>
> > Dear All,
> > After doing a -merge-, can one retrieve the master dataset? If yes, how 
> > can it be done? Thank you.
> >
> > Louis

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