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st: I have a problem with xtgls hetero and serial correlation


From   Rodrigo L�pez <[email protected]>
To   [email protected]
Subject   st: I have a problem with xtgls hetero and serial correlation
Date   Wed, 09 Jul 2003 09:43:16 +0000

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

_________________________________________________________________
Descubre el mayor cat�logo de coches de la Red en MSN Motor. http://motor.msn.es/researchcentre/

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