Hi Guys,
Need your wisdom on this.
Say I have a time series (in zoo format) like this
> x <- zoo(11:21)
> x
1 2 3 4 5 6 7 8 9 10 11
11 12 13 14 15 16 17 18 19 20 21
I want to do a "moving window sampling" of it. The result can either be a
matrix or a dataframe like this
my.super.moving.window(x, length=3, by=1)
11 12 13
12 13 14
13 14 15
14 15 16
....
18 19 20
19 20 21
This shouldn't be new. Many many people must have done this before. Any idea
what's the best(efficient and elegant) way to do this?
Cheers,
Bo
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