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st: hierarchical linear models

From   Rachel Bouvier <[email protected]>
To   [email protected]
Subject   st: hierarchical linear models
Date   Tue, 14 Jun 2005 13:05:40 -0700 (PDT)

Hi all -

I am working on a research proposal, looking at
pollution emissions from fifteen firms in one state. 
I have yearly data (from 1988 to 2003) for each of
those fifteen firms.  I also want to look at the
characteristics of the host community in which the
firm is located.  Here are the problems: a) 15 is a
small #, even if I augment it with yearly data. b)
firm characteristics and c) community characteristics
might not vary too much from year to year.  I'd like
to do some sort of a regression, but I don't know if
it's possible.

Someone recommended that I look into hierarchical
linear models, but I don't know if there would be
enough variance to take advantage of an HLM.  All the
examples that I've looked at have relatively large

You may respond directly to me rather than positing: 
[email protected].

Thanks in advance for any help.


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