[R] HLM-like analysis in R

Douglas Bates bates at stat.wisc.edu
Wed Jun 6 21:40:30 CEST 2001

ANDREW PERRIN <aperrin at email.unc.edu> writes:

> I have some data on which I need to do something like a Hierarchical
> Linear Model (please bear with me, I'm only learning the technique so I
> don't know yet if my language is correct).  Essentially I'm analyzing data
> at two levels simultaneously; data are about individuals an organizations
> of which they are members.
> Can someone point me toward an appropriate package in R?

Yes - the nlme package.

The use of the lme (linear mixed effects) function from the nlme
package for multilevel analysis or hierarchical linear models is
described in

  author =	 {Jos\'{e} C. Pinheiro and Douglas M. Bates},
  title = 	 {Mixed-Effects Models in \textsf{S} and \textsf{S-PLUS}},
  publisher = 	 {Springer},
  year = 	 2000,
  series =	 {Statistics and Computing}

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