Re: [R] How to extract rows from data frame based on unique variable groupings

I hope this is what you want. ## Exclude replicated rows (DF1 <- unique(DF)) ## Sort the data (DF2 <- DF1[order(DF1$V1, DF1$V2, DF1$V3, DF1$V4),]) - A R learner. -- View this message in context: http://r.789695.n4.nabble.com/How-to-extract-rows-from-data-frame-based-on-unique-variable-gro

Re: [R] How to extract rows from data frame based on unique variable groupings

Tena koe Mike duplicated() might be what you require. HTH ... Peter Alspach > -Original Message- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Michael H > Sent: Friday, 21 May 2010 6:37 a.m. > To: r-help@r-project.org > Subject: [R] How to ex