[R] Apply function over elemetns of a list

[Uwe Ligges]

On 02.10.2010 18:00, PQuery wrote:
>
> Hello,
>
> I have a list "ll - see below" on which I would like to apply a function
> accessing every pair of elements in the list. For instance, I want to apply
> the "sum" function on "6635 + 6636" and return the sum, the on "6635 +
> 6637", ...
>
> Any hint to do that using apply / mapply / rapply ?
>
> Thanks,
>
>> ll
> [[1]]
> [1] "6635" "6636"
>
> [[2]]
> [1] "6635" "6637"
>
> [[3]]
> [1] "6636" "6637"



sapply(ll, sum)

Uwe Ligges