Have you looked at subset? eg subset(dataframe, x != y, select = c(x, y))
Hadley
Roger Levy wrote:
Hi,
I have a simple question about matrix/data frame manipulation. I have a data frame that looks a something like this
X Y Z 1 0 "apples" -1 -1 "oranges" ... 0 -1 "bananas"
and I'd like to pull out all the rows for which X and Y are (un)equal into a submatrix.
How can I do that?
Many thanks,
Roger Levy
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