Re: [R] Retrieving locations of element of a vector or matrix

From: Henrique Dallazuanna <wwwhsd_at_gmail.com>
Date: Mon, 31 Mar 2008 11:23:18 -0300

I think that you can use:

x <- sample(1:20, 10)
head(sort(x), 5) #First 5 minimum values head(sort(x, decreasing = TRUE), 5) #First 5 maximum values

On 31/03/2008, Yemi Oyeyemi <gmoyeyemi_at_yahoo.com> wrote:
> Hello all,
> I have a problem of getting the locations of elements in a vector or matrix. I know one can use the command "which.min" or which.max" to get the location of minimum or maximum values in a vector. But is there any command to get the first k minimum values or maximum values in a vector.
> Thanks
>
>
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-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

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Received on Mon 31 Mar 2008 - 14:26:54 GMT

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