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


From   "josemaria" <jmpsouza@usp.br>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: how to get dfbetas in StataIntercooler with more than 800 observations?
Date   Sat, 5 Apr 2008 22:33:42 -0300

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.
Josť 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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