Re: st: how to get dfbetas in StataIntercooler with more than 800 observations?

[Enzo Coviello <enzo.coviello@alice.it>]

Dear Jose Maria,

In the previous mail I erroneously mentioned -stpm-.

Sorry the command computing deltabetas is -stdb- 
(written by prof Thomas Lumley)

I apologize for confusion


Enzo




At 03.33 06/04/2008, you wrote:

> Dear statalisters:
> I ran stcox with 1473 observations, each with 
> two variables (sexo, admaecentro), plus the time 
> of failure (tempoemdias) and the indicator of censoring (status).
> To analyse for the leverage (influence) 
> possibility, I followed page 174 of the version 
> 10 manual, and I commanded and got :
> stcox  sexo idmaecentro, esr(esr*)
> set matsize 800
> mkmat esr1 esr2, matrix(esr)
> matsize too small to create a [1473,2] matrix
> r(908);
> The error was expected, since my Stata is 
> Intercooled, limited to matrix 800,x.
> Is there a way to get the dfbetas, not through matrix?
> My Stata is version 10, Intercooled, for 
> Windows, XP Professional, with 500 RAM .
> Thank you for any help.
> Jos� Maria
>
>
> Jose Maria Pacheco de Souza, Professor Titular (aposentado)
> Departamento de Epidemiologia/Faculdade de Saude Publica, USP
> Av. Dr. Arnaldo, 715
> 01246-904  -  S. Paulo/SP - Brasil
> fones (11)3082-3886; (11)3083-4246; 
> (11)3061-7747; (11)3768-8612; (11)3714-2403
> fax (11)3082-2920; (11)3714-2403
> www.fsp.usp.br/~jmpsouza
>
>
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Enzo Coviello
Unit� di Epidemiologia e Statistica ASL BARI
Piazza V.  Emanuele 14
70054 Giovinazzo (Bari)
Italy
tel./fax +39 080 3357867
mobile +39 347 5016 016
home +39 0883 695055


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