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Re: st:matrices(in saved results post regression)not found


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st:matrices(in saved results post regression)not found
Date   Tue, 19 Aug 2008 15:44:13 +0100 (BST)

The easiest way is to make new matrices and use those:
reg y x1 x2
matrix b = e(b)
matrix v = e(V)

svmat b
svmat v

Various ways of using returned results are also discussed in:
M.L. Buis (2007), "Stata tip 54: Where did my p-values go?", The Stata
Journal, 7(4), pp.584-586. http://home.fsw.vu.nl/m.buis/wp/pvalue.html

-- Maarten

--- Man Jia <jia.m@neu.edu> wrote:

> Hi all,
> 
> I was wondering if anyone could help me with a simple question of 
> matrices in saved results after regression.
> 
> When I do the following command , it works well:
> . reg y x1 x2
> .matrix list e(b)
> .matrix list e(V)
> 
> But then when I try to change the matrices into variables, like
> .svmat e(b),names(reg)
> or 
> .svmat e(V),names(variance)
> 
> stata shows 
> matrix e(b) not found
> r(111);
> matrix e(V) not found
> r(111);
> -------------------------------
> I know I must have lost something very basic here. Could anyone give
> me 
> some hint why matrices e(b) and e(V) are listed well in the beginning
> 
> but then they are not found? 
> 
> Thanks for your time!
> 
> Mandy Jia
> 
> *
> *   For searches and help try:
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> *   http://www.stata.com/support/statalist/faq
> *   http://www.ats.ucla.edu/stat/stata/
> 


-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands

visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434

+31 20 5986715

http://home.fsw.vu.nl/m.buis/
-----------------------------------------

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