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re: Re: st: Constructing a variable from standard deviations

From   Christopher Baum <>
To   <>
Subject   re: Re: st: Constructing a variable from standard deviations
Date   Mon, 22 Nov 2010 11:39:55 -0500

M.P. said

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?

What other adjustments are nessacary  to use your example for my 

I do not see why this is not a straightforward application of -collapse- per the example I posted. There should
be no need to resort to maximum likelihood techniques. I agree with Maarten: you should estimate the model
separately for the 106 different groups, per my example from grunfeld.dta.


Kit Baum   |   Boston College Economics & DIW Berlin   |
                              An Introduction to Stata Programming  |
   An Introduction to Modern Econometrics Using Stata  |

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