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Re: st: AW: match data


From   Maximiliano Manuel Silva Correa <maxsilvacorrea@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: AW: match data
Date   Tue, 27 Jul 2010 12:16:00 -0400

Thank you Martin,

But if bow datasets dont have all the same variables, only some of them?

2010/7/27 Martin Weiss <martin.weiss1@gmx.de>:
>
> <>
>
>
> First you want to -append-/-merge- the two datasets. Then it will be a piece
> of cake.
>
>
>
> HTH
> Martin
>
>
> -----Ursprüngliche Nachricht-----
> Von: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] Im Auftrag von Maximiliano
> Manuel Silva Correa
> Gesendet: Dienstag, 27. Juli 2010 18:03
> An: statalist@hsphsun2.harvard.edu
> Betreff: st: match data
>
> Dear stata Community
>
> Im trying to match data between two datasets but i dont know how? Can
> someone explain the sintaxis about how to do this?
>
> Suppose we have several power transmision lines (indexed by variable
> LINE), and several substations in between (indexed by SUBS), each of
> them has a power consumption (POWER)
>
> Suppose we have two datasets, each of the corresponding to one year.
>
> I want to compare the power consumption between both years.
>
> It would be somtehing like
>
> By LINE SUBS: generate POWER_PAST
>
> So, in the dataset containing the present data, i can calculate de
> difference in power consumtion between both years.
>
> Any suggetsioens? Any help will be well received. Thx in advance.
>
> Max
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