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xmat
2012 Feb 27
2
compare two data frames of different dimensions and only keep unique rows
Dear list,
I am still struggling with something that should be easy: I compare two data frames with a lot of common rows and want to keep only rows that are NOT in both data frames, unique.
Here are an example of these data frame.
reported <-
structure(list(Product = structure(c(1L, 1L, 1L, 1L, 2L, 2L, 3L, 4L, 5L, 5L), .Label = c("Cocoa", "Coffee C", "GC",