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From | "Michael Blasnik" <michael.blasnik@verizon.net> |
To | <statalist@hsphsun2.harvard.edu> |
Subject | question about merge / lookup (was Re: statlist: offlist follow up) |
Date | Mon, 16 Jul 2007 23:37:54 -0400 |
I have the next problem when I use merge "variable dpto agegp e1 does not uniquely identify observations in the master data" I know it, because every observation which has same value in dpto agegp e1 must have the same proyection. How a proyection can be added by dpto agegp e1 variables?
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