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

ubject: [R] How to extract rows from data frame based on unique > variable groupings > > > > R community, > > I would like to know how to extract rows from a data frame (DF) such > that > each row in the new data frame (D.F) represents the first instance of > a u

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

R community, I would like to know how to extract rows from a data frame (DF) such that each row in the new data frame (D.F) represents the first instance of a unique variable pairing in the original dataframe (ordered first by variable V1 then by variable V2). The unique function does not se