Re: [R] compare two data frames with same columns names but of different dimensions

m <- rbind(reported, exportfile) m1 <- m[duplicated(m),] m[is.na(match(m$key, m1$key)),] On Mon, Feb 27, 2012 at 9:46 AM, Arnaud Gaboury wrote: > Dear List, > > I want to compare and return the rows which are NOT in the two data frames. > Classic methods don't work as the df have NOT the same di

[R] compare two data frames with same columns names but of different dimensions

Dear List, I want to compare and return the rows which are NOT in the two data frames. Classic methods don't work as the df have NOT the same dimensions. Here are one example of my df: reported <- structure(list(Product = structure(c(1L, 1L, 1L, 1L, 2L, 2L, 3L, 4L, 5L, 5L), .Label = c("Cocoa"