Alex fciclone at bol.com.br
Wed Dec 8 14:35:14 CET 2004

Hi all,

Could someone please tell me if we have to group data in the units with a command such "factor()" or "groupedData()" before using the functions glmmPQL or GLMM. I didn't do that and at first my results seem OK, but I'd like to solve this doubt.

Thanks in advance,


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