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

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Thu 18 Jan 2007 - 04:50:24 GMT

?which.max
?which.is.min

On Wed, 17 Jan 2007, 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
>
>
> [[alternative HTML version deleted]]
>
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>

-- 
Brian D. Ripley,                  ripley@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Thu Jan 18 16:12:54 2007

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