On Mar 28, 2012, at 11:18 AM, MSousa wrote:


Hello, I have this data.frame, and i need the value the column where the
value in matrix is maximum

res3
     77 86 93 106 161
 77  20  0  0   1   0
 86   1 12  1   2   1
 93   0  2  3   3   0
 106  0  4  3  18   0
 161  0  0  0   1  55

 I use  this d<-which(res3==max(res3), arr.ind=T)
d
   row col
161   5   5

how do I return only the value 161

rownames(d)

--

David Winsemius, MD
West Hartford, CT

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