variance covariance matrix?

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variance covariance matrix?

Paola Chivers-2
HI,



Does anyone know if you can specify a spatial form of AutoRegressive  in the
variance covariance matrix in SPSS specifically for mixed models?  I would
like to specify the time units in a repeated measure.  Apparently this is
possible in SAS.



Regards,

Paola



"Ours has become a time-poor society, fatigued by non-physical demands and
trying to compartmentalize daily living tasks.  It is small wonder that
physical activity is discarded in this environment" p126 (Steinbeck, 2001)



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