maybe ?cumsum
z <- 1:10
cumsum( z )
z <- sort( z )
cumsum( z )[ cumsum( z ) < 30 ]
On Sat, Sep 14, 2013 at 10:36 PM, <gildororo...@mail-on.us> wrote:
> I came from Python, newly learning R. is there something like accumulate()
> in R?
>
> Example:
> accumulate([1,2,3,4,5]) --> 1 3 6 10 15
>
> Or perhaps I should show the problem. The problem I am trying to solve, is
> to select elements from X until it accumulate to 30. My solution is:
>
> X = c(1,3,4,5,8,15,35,62,78,99)
>> X[sapply(seq_len(length(X)), function(x) { sum(X[1:x])}) < 30]
>>
> [1] 1 3 4 5 8
>
> Is this already the shortest/canonical way to do it in R?
>
>
> ------------------------------**-------------------
>
> VFEmail.net - http://www.vfemail.net
> $14.95 ONETIME Lifetime accounts with Privacy Features! 15GB disk! No
> bandwidth quotas!
> Commercial and Bulk Mail Options!
>
> ______________________________**________________
> R-help@r-project.org mailing list
> https://stat.ethz.ch/mailman/**listinfo/r-help<https://stat.ethz.ch/mailman/listinfo/r-help>
> PLEASE do read the posting guide http://www.R-project.org/**
> posting-guide.html <http://www.R-project.org/posting-guide.html>
> and provide commented, minimal, self-contained, reproducible code.
>
[[alternative HTML version deleted]]
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
