Introduction to multilevel linear models in Stata®, part 1: The -xtmixed- command

Discover the basics of using the *xtmixed* command to model multilevel/hierarchical data using Stata.

Note that the *xtmixed* command was replaced by the *mixed* command in Stata 13.

If you'd like to see more, please visit the Stata Blog:
http://blog.stata.com/2013/02/04/multilevel-linear-models-in-stata-part-1-components-of-variance

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