[R] inefficient ifelse() ?
mantino84 at libero.it
Wed Mar 28 17:19:39 CEST 2012
I have a similar problem. I have a dataset and an element. If the element is
equal to "YY", I want to take the first column of the dataset, otherwise I
want to take the second column. The following does not work, as it only
evaluates the first element. Any idea?
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