I believe the lag() function can be used to rig this up.
Something like sma.365 <- SMA(lag(data, 12), n=120) # Untested, but seems right
Michael
On Thu, Oct 13, 2011 at 6:31 AM, Laura wrote:
> Hello,
>
> I used the TTR package in R to calculate moving averages. I have a monthly
> time series a
Hello,
I used the TTR package in R to calculate moving averages. I have a monthly
time series and I would like to calculate the moving average over 10 years
with an offset of 1 year.
It should be something like sma.365 <- SMA(data, n=120)
Does anyone know how to include in offset?
Thanks a
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