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st: Calculating and storing distances


From   "MA V" <ma_v@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: Calculating and storing distances
Date   Wed, 30 Aug 2006 16:52:24 +0000

Dear statalist users,
My problem is the following:
I have a dataset that has 3 variables: location_id, latitude, longitude.
I would like to calculate the distances between the locations but I'm not sure of what is the best way of storing this information in Stata. Suppose we have 30 locations (i.e. 30 observations).
Any ideas on how to to calculate the distances and, more importantly, on how to store them (in an effective way, for future manipulation)?
Thanks for your help!

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