mixed effect modeling with imputed data set

Use one of the apply functions to iterate over your imputed datasets.

If your imputed datasets are in columns 5 through n+4 of "mydata" (i.e. 
assuming that x1, x2, x3, and regioid are in columns 1:4), the you could 
do something like:

model.list <- lapply(1:n, function(i)

glmer(mydata[,i+4] ~ x1+x2 +x3+(1|regiogid),family= binomial("logit"), data=mydata) )

The output will then be a list of model objects (i.e. model fits).  You 
can then iterated through this results list in order to calculate mean 
parameter values from all your imputed data fits.

Or, likewise:

model.list <- lapply(5:ncol(mydata), function(i) ...

Hope this helps,
Dan.

Hi all
I imputed my data using multiple imputation procedure in STATA. I would like
to conduct mixed effect modeling on the imputed data set in R. I do not know
how to write the code over the imputed data set.
My code is:	
fit<- glmer(y ~ x1+x2 +x3+(1|regiogid),family= binomial("logit"), data =mydata)

Best Regards

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Daniel Fulop, Ph.D.
Postdoctoral Scholar
Dept. Plant Biology, UC Davis
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Life Sciences Addition, One Shields Ave.
Davis, CA 95616

510-253-7462
dfulop at ucdavis.edu