Brian, Have a look at package aod on CRAN, and more specifically the functions "icc", "donner" and "raoscott".
Best, Renaud 2006/1/18, Brian Perron <[EMAIL PROTECTED]>: > Hello R users: > > > > I am fairly new to R and am trying to figure out how to compute an intraclass > correlation (ICC) and/or design effect for binary data? More specifically, I > am trying to determine the amount of clustering in a data set - that is, > whether certain treatment programs tend to work with more or less severe > clients. The outcome variable is dichotomous (low severity / high severity) > and the grouping variable is the treatment program. Any suggestions for some > R code or the appropriate R package would be greatly appreciated. > > > > Thanks, > > Brian > > [[alternative HTML version deleted]] > > ______________________________________________ > [email protected] mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > -- Renaud LANCELOT Département Elevage et Médecine Vétérinaire (EMVT) du CIRAD Directeur adjoint chargé des affaires scientifiques CIRAD, Animal Production and Veterinary Medicine Department Deputy director for scientific affairs Campus international de Baillarguet TA 30 / B (Bât. B, Bur. 214) 34398 Montpellier Cedex 5 - France Tél +33 (0)4 67 59 37 17 Secr. +33 (0)4 67 59 39 04 Fax +33 (0)4 67 59 37 95 ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
