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Re: st: matrix problem


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: matrix problem
Date   Wed, 15 May 2013 17:13:37 +0200

you can exctract a scalar from a table using the -el()- function, see
-help el()-.

-- Maarten

On Wed, May 15, 2013 at 5:04 PM, Richard Goldstein
<richgold@ix.netcom.com> wrote:
> Hi all,
>
> I am using Newson's -somersd- command (from ssc); results, including the
> piece I want, are saved in a matrix and I can list that matrix:
>
> . mat list r(table)
>
> r(table)[9,1]
>             yhat1
>      b  .62563699
>     se  .00834334
>      t  74.986391
> pvalue  3.73e-257
>     ll  .60924043
>     ul  .64203354
>     df        452
>   crit  1.9652262
>  eform          0
>
> My problem comes in attempting to use the [1,1] term (.62563699 here);
> for example, I can't seem to list it:
>
> . matrix li r(table)[1,1]
> [ invalid name
> matrix [1,1] not found
> r(111)
>
> and I can't do what I want to do - add this value to a scalar:
>
> scalar cstat=cstat+r(table)[1,1]
> invalid syntax
> r(198)
>
> note that cstat is not the problem as it is defined (as 0) prior to
> entering my loop
>
> clearly I am doing something wrong but I have been unable to figure out
> what it is or how to fix it
>
> Rich
> *
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-- 
---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
---------------------------------
*
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