On Dec 5, 2011, at 8:02 AM, R. Michael Weylandt wrote:
Change which to which.min, but then you won't easily be able to get
the corresponding x,y indices. Look at the arrayInd() function to
translate the result to a particular x,y.
The arrayInd help page is shared by the which help and which has an
arr.ind=TRUE option that let's you encapsulate both steps:
which( abs(outer(x, y, "-")) == min(abs(outer(x, y, "-"))),
arr.ind=TRUE)
Michael
On Dec 4, 2011, at 7:04 PM, vamshi999 <vamshi...@gmail.com> wrote:
this is exactly what i wanted.
How to i select only the minimum value from this?.
thank you
My apologies: you need an abs() call as well:
which(abs(outer(x, y, "-")) < threshold, arr.ind = TRUE)
Michael
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