[R] how to get the index of entry with max value in an array?

[Benilton Carvalho]

which.max()
b

On Jan 17, 2007, at 11:20 PM, Feng Qiu wrote:

> Hi all:
>          A short question:
>          For example,  a=[3,4,6,2,3], obviously the 3rd entry of  
> the array has the maxium value, what I want is index of the maxium  
> value: 3. is there a neat expression to get this index?
>
> Thank you!
>
> Best,
>
> Feng