Andras Farkas via R-help <r-help@r-project.org> writes: Hello,
set.seed(123.456) df <-data.frame(ID=c(1,1,2,2,2,3,3,3,3,4,4,5,5), read=c(1,1,0,1,1,1,0,0,0,1,0,0,0), int=c(1,1,0,0,0,1,1,0,0,1,1,1,1), z=rnorm(13,1,5), y=rnorm(13,1,5)) May this will suffice? lapply(unique(df$ID),function(x) df[df$ID==x,]) HTH, Jeremie ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
