> I would like to split this df by month and fac and produce list of sublists > > df <- data.frame(month=as.character(rep(1:3,each=30)), > fac=factor(rep(1:2,each=15)), > data1=round(runif(90),2), > data2=round(runif(90),2)) > > This > > split(df, paste(df$month, df$fac)) > > produces just a single list. Any ideas?
Is this what you want? lapply(split(df, df$month), split, df$fac) Regards, Richie. Mathematical Sciences Unit HSL ------------------------------------------------------------------------ ATTENTION: This message contains privileged and confidential inform...{{dropped:20}} ______________________________________________ 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.