element-by-element comparison
Given that you want to compare columns, you can just do: A > B If you wanted to compare rows, then it is more troublesome. One approach would be: rep(A, each=nrow(B)) > B
On 30/10/2011 03:51, Wendy wrote:
Hi, I have a vector and a matrix. For example, A = [ 12 3 4]; B = [ 4 13 10 2 4 8]; I am comparing A to each column of B using A>B[,ii], so the expected result is C = [ 1 0 0 1 0 0]; I am looking for a way to do this quickly instead of going through the for loop, but haven't had any luck yet? Any advice is appreciated. Thank you very much. Wendy -- View this message in context: http://r.789695.n4.nabble.com/element-by-element-comparison-tp3952301p3952301.html Sent from the R help mailing list archive at Nabble.com.
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