[R] Multilevel models with mixed effects in R?

Charles Partridge CPartridge at hec.ohio-state.edu
Thu Jan 12 20:54:04 CET 2006


I am new to R.  In my work as a program evaluator, I am regularly asked
to estimate effect sizes of prevention/intervention and educational
programs on various student outcomes (e.g. academic achievement).  In
many cases, I have access to data over three or more time periods (e.g.
growth in proficiency test scores). 

I usually have multiple independent and dependent variables in each
model along with covariates.  I have historically utilized latent growth
curve structural equation models, but would like to include random
effects in the model.  Does R have the ability to run such analyses?  


Charles R. Partridge
Evaluation Specialist
Center for Learning Excellence
The John Glenn Institute for Public Service & Public Policy
807 Kinnear Road, Room 214
Columbus, Ohio 43212-1421
Phone: 614.292.2419
FAX: 614.247.6447
Email: cpartridge at hec.ohio-state.edu

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