I'm a student currently working with the *sleepstudy* dataset in
matrix.pkg. It deals with the reaction times of sleep deprived students
over a period of days.

I am trying to model reaction times in order to describe the variation
between students by days they havent slept.

This is what I'm running in R, but unfortunately I'm missing something:


> logmod11 <- lmer(log(Reaction) ~ (Subject|Days),REML=FALSE)


This is obviously incorrect, so If someone could give me some quick help
I'd really appreciate it.

Thanks!

-- 
J. Andrew Cochrane
University of Illinois | 2013
College of Liberal Arts and Sciences | Statistics
(630) 991-7502

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