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?
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