Or
which.max(a)

-Christos 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of talepanda
Sent: Wednesday, January 17, 2007 11:45 PM
To: Feng Qiu
Cc: r-help@stat.math.ethz.ch
Subject: Re: [R] how to get the index of entry with max value in an array?

In R language, one solution is:

a<-c(3,4,6,2,3)
which(a==max(a))


On 1/18/07, Feng Qiu <[EMAIL PROTECTED]> 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
>
>
>       [[alternative HTML version deleted]]
>
> ______________________________________________
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>

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