[R] array question
Benilton Carvalho
beniltoncarvalho at gmail.com
Wed Feb 17 18:38:14 CET 2010
you mean something along the lines of
filter(x, rep(1/4, 4))
(which you can combine with na.omit)
?
On Wed, Feb 17, 2010 at 5:18 PM, Mohsen Jafarikia <jafarikia at gmail.com> wrote:
> Hello All:
>
> If I do have:
>
> x = (2, 4, 5, 5, 6, 4, 5, 2, 1)
> y = (9, 11.5, 12.5, 13, 14, 19, 20, 21, 22)
>
> I wanted to find a simple function in R which calculates the averages of X
> and Y for every 4 unit increase of Y. The results should look like:
>
> x = (4, 6, 3) #where (2+ 4+ 5+ 5)/ 4 = 4 and ...
> y = (12, 14, 20.5) #where (9+11.5+12.5+13)/ 4 = 12 and ...
>
> Thanks,
> Mohsen
>
> [[alternative HTML version deleted]]
>
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