RE: st: Merge datasets

["Andre pierre" <hcpats@hotmail.fr>]

You can do
merge [varlist] using [filename], keep(varlist)

where varlist is the list of variables in "filename" you want to keep
See the "merge" option in the help files for further details



> From: Jia Xiangping <jiajoseph@googlemail.com>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: statalist <statalist@hsphsun2.harvard.edu>
> Subject: st: Merge datasets
> Date: Mon, 10 Oct 2005 03:46:54 +0800
>
> Dear all,
>
> I have dozens of datasets. Let's raise a example:
>
> dataset A: id vara varb...vari..
> dataset B: id varaa varbb...varj (i != j)
>
> The variables in both of these two are different except the key
> variable ID. The number of obsevations in both of these two sets are
> also different. It's unbalanced.
>
> Now I just want to infile (I'm not sure if this word is appropriate
> here, maybe extract might be better) one or two variables in A to B,
> with the same ID matched case to case. This can be done by merging
> both of these two datasets. But some of the datasets are quite big
> that my version can not support so many variables. So I'm wondering if
> there are some other ways to extract some variables I need to my
> targeted datasets.
>
> Joe
>
>
> --
> Xiangping JIA
>
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