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Re: st: cluster analysis with foreach


From   Stas Kolenikov <skolenik@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: cluster analysis with foreach
Date   Wed, 9 Jun 2010 11:49:25 -0500

You seem to be thinking in R terms here :)). In Stata, this would be
something like

levelsof state
local allstates `r(levels)'
foreach s in `allstates' {
 cluster kmeans <list of power variables> if state == "`s'", k(#)
}

Of course you would also need to think how you will utilize the results.

On Wed, Jun 9, 2010 at 11:36 AM, Maximiliano Manuel Silva Correa
<maxsilvacorrea@gmail.com> wrote:
> Dear Stata community
>
> Im stuck trying to run a cluster analysis routine throuth diferent
> sections of my data. Suppose we have power consumtion data about
> different cities of the US. What I'd like to do is to run a cluster
> analysis routine (cluster kmeans for example) by state, because i
> would like to see in every state which cities have similar power
> consumtion.
>
> It would be something like
>
> foreach s in states{
>
> cluster(kmeans, power_city)
>
> }
>
> (states is a string variable)
>
> Could someone show me the sintax here, or send similar examples?
>
> Any help will be greatly appreciated. Thank you in advance,
>
> Max
> *
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>



-- 
Stas Kolenikov, also found at http://stas.kolenikov.name
Small print: I use this email account for mailing lists only.

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