Guolian Kang wrote on 10/24/2007 01:37 PM:
> Dear All,
>
> Is there a conmand to calculate the multiplication of the elements in a
> vector? For example:
>
> a=c(1,2,3,4)
> I want to get 1*2*3*4=24.
> Because the dimension of the vector is high, I want to know there is a
> command for this task in R?
>
> Thank you so much!
>
> Kang
>
>
?prod
Ted.
--
Dr E.A. Catchpole
Visiting Fellow
Univ of New South Wales at ADFA, Canberra, Australia
_ and University of Kent, Canterbury, England
'v' - www.pems.adfa.edu.au/~ecatchpole
/ \ - fax: +61 2 6268 8786
m m - ph: +61 2 6268 8895
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