[R] 'for Loop'

Erich Neuwirth erich.neuwirth at univie.ac.at
Tue Mar 31 19:14:43 CEST 2009


If you add 2 numbers a and b and divide this sum
by the mean of these 2 number, you will always get 2

(a+b)/((a+b)/2) always simplifies to 2.


Alan O'Loughlin wrote:
> Hello, 
>  
> I'm trying to create a for loop for a data set, I have a list of results in this data set and I want to take the 1st two add them together and divide by the mean of the 1st to, then do the same for the 3rd and 4th values in the list and so on and each time return a value for the calculation on each pair.
>  
> Any help would be appreciated.
>  
> Thanks,
> Al 
> 
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> 
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