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2008 Mar 13
1
strange results from binomial lmer?
...rs.
Each dataset has 100 rows from each of 20 speakers, 2000 rows in all.
About 5% of the time I get a strange result, where the lmer() model with BOTH
fixed factors and the random factor ('gs_s') comes out MUCH worse compared to
the models with ONE fixed factor and the random factor ('g_s' and 's_s'), and
also compared to the glm() model with both fixed factors and no random factor
('gs').
This doesn't make much sense to me.
I've placed a dataset on the Web that exhibits this behavior, as follows:
dat <- read.csv("http://www.ling.upenn.edu/~joh...