[R] mixed effects regression with non-independent data

2013-02-15 Thread Bone, Jonathan
Hi,
I will be performing mixed effects regression on subjects total scores from 2 
player games (prisoners dilemma) that played. I am aware that including both 
players score from a game will cause problems due to non-independence. Is there 
a way that to deal with this apart from randomly picking one subject from each 
game for the analysis (and so losing half the data). Is there a way to 
introduce this into the model instead, perhaps as a random effect??

Thanks,

Jonathan
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[R] Mixed models with missing data

2013-02-15 Thread Bone, Jonathan
Hi,

I am creating a mixed model based on a experiment where each subject has 2 
repeats. In some instances though there is only data for one of a given 
subjects repeats for most there is data for both. Can I still justify having 
subject as a random effect?

Thanks,

Jonathan

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PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.