R help - Mar 2012 - Extract index column the max

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
   Thanks


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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)

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David Winsemius, MD
West Hartford, CT