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Re: st: How can I do for test serial correlation in xtgls and extreg,fe


From   Marcello Pagano <pagano@hsph.harvard.edu>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How can I do for test serial correlation in xtgls and extreg,fe
Date   Fri, 11 Jul 2003 13:43:55 -0400

The membership of Statalist does not change that frequently that
a posting should need a second posting.  Please read the FAQ to
see what the etiquette is for multiple postings, and please pay
heed to the advice.

Thanks,

m.p.

Rodrigo López wrote:
Hy Statalist

I have 13 observation and 15 panels unit. When I run xtgls and
xtreg, fe I have problem becuase the Stata told me that correlation
matrix is singular and It is not possible do the test. How can I do
for test serial correlation in xtgls and extreg; fe?.

My best regards
Rodrigo Lopez

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______________________________________________________________________

Marcello Pagano
Biostatistics Department			Tel: 1-617-432-4911
Harvard School of Public Health		        Fax: 1-617-739-1781
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Boston, MA  02115                 		http://biosun1.harvard.edu/~bio200
USA

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