My phd-student works in stata using cluster option in a regression model like this example: (from link: http://www.ats.ucla.edu/stat/stata/faq/clusterreg.htm) """ /* model 2 -- same as svy: regress with psu */
regress math homework, cluster(schid) """ I need to put som extra "blinded" data into the same model using R. This "cluster" option. Is there something in R for this? /Thanks Niels Steen Krogh Konsulent ZiteLab ApS Mail: ---------- [EMAIL PROTECTED] Telefon: ------- +45 38 88 86 13 Mobil: --------- +45 22 67 37 38 Adresse: ------- ZiteLab ApS ---------------- Solsortvej 44 ---------------- dk - 2000 F. --- og --- ---------------- ZiteLab ApS ---------------- Refshalevej 110a ---------------- dk - 1432 københavn k Web: ----------- www.zitelab.dk CVR: ----------- 29178364 Bank: ---------- Sparbank Vest Ejer: ---------- ZSRK Group Holding ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.