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2005 Apr 30
0
lmer for mixed effects modeling of a loglinear model
...A and B. I'm thinking
of this as a set of 2 x 2 tables, 25 x 25 of them. I'd like to fit a
log-linear model to this data to test the independence of the A and B
scores.
If I ignore the subject and item parts, the following works just fine:
glm(count ~ A * B, family = poisson, data =llform.df)
However, there's variability in the success probability by both item
and subject. There are difficult items (for both parts A and B
jointly) and there are proficient subjects (for A and B jointly). I
would like to include these as random effects, and since I don't want
a separate e...