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st: RE: tabstatmat repeatedly


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: tabstatmat repeatedly
Date   Fri, 24 Sep 2004 18:25:42 +0100

You want 

several variables * 2 statistics * several categories 

How is that going to fit into one big matrix? 

Nick 
n.j.cox@durham.ac.uk 

Camelia Minoiu
 
> I would like to obtain summary statistics (by another 
> variable) for a list
> of 100 variables, and then save all of these in one big matrix, and
> preferably have this exported into a text file.
> 
> I have been following the discussion surrounding 
> -tabstatmat-as well as that
> regarding the command - mat2txt-  (Feb 2004)  but running 
> mat2txt on my
> computer gives me the error message: "version 8.2 not 
> supported" (I use
> Stata 8) and with tabstatmat I don't know if I can do this 
> repeatedly. For
> example, writing a tiny program such as the one below does 
> not seem to work:
> 
> foreach X of varist v1-v100 {
>     quietly tabstat `X', statistics(mean, sd) by(category_`X') save
>     tabstatmat mat`X'
>     svmat mat`X'
>     keep mat`X'*
>     dropmiss, obs
>     outsheet using c:\data\matrix.txt
> }
> 
> Do you happen to know what I can do so that all the results from each
> tabstat on each variable are appended together in one big matrix?

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