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splitkit
2012 Nov 09
2
Creating yyyymm regexp strings on the fly for aggregation.
Folks,
This question is somewhat related to a previous posting of mine.
I just can't seem to create a generic solution.
Here is a function that I found searching around the internet:
splitIt <- function(x, n) {split(x, sort(rank(x) %% n))}
I use it like so:
> splitIt(1:12, 2)
$`0`
[1] 1 2 3 4 5 6
$`1`
[1] 7 8 9 10 11 12
Or
> splitIt(1:12, 4)
$`0`
[1] 1 2 3
$`1`
[1] 4 5 6
$`2`
[1] 7 8 9
$`3`
[1] 10 11 12
I am splitting 12 months into 6-month or quarterly chunks. I can...