?
All the best,
Luis
Luis Cayuela
Departamento de Ecología
Universidad de Alcalá
Crta. de Barcelona km. 33,600
E-28871 Alcalá de Henares
Madrid
España
Tlf: (+0034) 918856407
Fax: (+0034) 918854929
- Original Message -
From: Douglas Bates [EMAIL PROTECTED]
To: Luis Cayuela [EMAIL PROTECTED
in downdated X'X is not positive definite
I would appreciate some help to fit this model.
Thanks to everybody,
Luis
Luis Cayuela
Departamento de Ecología
Universidad de Alcalá
Crta. de Barcelona km. 33,600
E-28871 Alcalá de Henares
Madrid
España
Tlf: (+0034) 918856407
Fax: (+0034) 918854929
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