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Re: st: Constructing a variable from standard deviations

From   Maarten buis <>
Subject   Re: st: Constructing a variable from standard deviations
Date   Mon, 22 Nov 2010 15:10:26 +0000 (GMT)

--- On Mon, 22/11/10, M.P.J. van Zaal wrote:
> Do I have to run the regression seperately for all
> occupations or can  run a regression with all the dummies?
> It seems to me that you use a variable with different
> categories instead of individual dummies. Do you think I
> should also create such a variable for my 106 studyfields?

I used the factor variable notation that is new to Stata 11, 
so I let Stata make those dummy variables for me. You can do 
it either way, create dummies yourself and add those or use 
Stata's factor variable notation.
> What other adjustments are nessacary  to use your
> example for my  modelling purposes?

That is a question that can only be answered by you. I do 
not know all the details of your data, your project, your 
theory, your subsequent analysis, your intended audience,
etc., etc.

> I really appreciate your help! I am fairly unexperienced
> with real statistical research. Can I email you again if i
> have problems with  your example?

It is good practice to ask such questions on the statalist,
as is discussed here:

Hope this helps,

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen


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