Re: [R] product of vector elements

From: Chuck Cleland <ccleland_at_optonline.net>
Date: Sat, 12 Jan 2008 19:49:29 -0500

On 1/12/2008 7:38 PM, Gerard Smits wrote:
> All,
>
> I would like to find a simper method that I now have to find the
> product of all elements in a vector:
>
> #get product of vector elements: (1,2,3,4,5)
> vec.product <- exp(sum(log(c(1,2,3,4,5))))
>
> I have not found a vector product function, if one has been written.

 > cumprod(1:5)
[1] 1 2 6 24 120

?cumprod

> Thanks,
>
> Gerard
> [[alternative HTML version deleted]]
>
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-- 
Chuck Cleland, Ph.D.
NDRI, Inc.
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Received on Sun 13 Jan 2008 - 00:58:29 GMT

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