Hi:
Alternatively, you could use rollmean in the zoo package:
library(zoo)
x <- c(2, 4, 5, 5, 6, 4, 5, 2, 1)
rollmean(x, 4)
[1] 4.00 5.00 5.00 5.00 4.25 3.00
which avoids the NAs that get produced from filter:
filter(x, rep(1/4, 4))
Time Series:
Start = 1
End = 9
Frequency = 1
[1] NA 4.00 5.00
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 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 s
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