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Thanks,
m.p.
Rodrigo L�pez 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
655 Huntington Avenue email:[email protected]
Boston, MA 02115 http://biosun1.harvard.edu/~bio200
USA
eppur si muove
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