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RE: Matching data, Files A &B [Was: Re: st: Picking from a matrix ]


From   "Stephen P. Jenkins" <stephenj@essex.ac.uk>
To   statalist@hsphsun2.harvard.edu
Subject   RE: Matching data, Files A &B [Was: Re: st: Picking from a matrix ]
Date   Thu, 28 Nov 2002 15:45:18 +0000 (GMT Standard Time)

On Thu, 28 Nov 2002 10:28:22 -0500 Benoit.Laplante@inrs-ucs.uquebec.ca 
wrote:

> Maybe things are simpler that I think they are but, for what I understand of
> -merge-, it would merge observations that would have similar values on one
> or several variables both in File A and File B. The three variables Year,
> Age and Area do not exist as such in File B: Year defines lines while
> columns are combinations of Age within Area. Furthermore, there will not be
> unique combinations of Year, Age and Area in A: some elements of B will have
> to be copied several times to different lines of A. Also I need to copy only
> one value from File B on any given line of A, not all 770 values of a given
> line of B.

-merge- will not do matching by "similar" values, only on exact values.



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