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st: match data
From
Maximiliano Manuel Silva Correa <[email protected]>
To
[email protected]
Subject
st: match data
Date
Tue, 27 Jul 2010 12:03:20 -0400
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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