Hi,
I am a novice R user and do not know how to properly mail to this list. I apologies if I do it in the wrong way.

I want to analyze my data using a random intercept (later extended also to random slope) logistic model for a binary outcome (later extended to a ordinal outcome).
This I have been able to do in SAS if assuming the repeated measurements within an individual to be independent, but I want to be able to choose different covariance structures for the individual measurements. This I cannot do directly in either SAS or STATA, and therefore now turn to R.
How can I do this in R?

Anna

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Anna Ekman  (Grimby-Ekman)
Ph Lic Statistics, Ph D Medicine
Occupational and Environmental Medicine, Sahlgrenska Academy and University Hospital
Dept of Public Health and Community Medicine, University of Gothenburg (UGOT)
Box 414, SE - 405 30 Goteborg, Sweden
Phone +46 (0)31 786 31 23
Fax +46 (0)31 40 97 28
www.amm.se<http://www.amm.se/>

Akademistatistik inom EpiStat
Sahlgrenska akademin vid Göteborgs universitet
www.sahlgrenska.gu.se/forskning/epistat/<http://www.sahlgrenska.gu.se/forskning/epistat/>



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