I am going to assume your data.frame is called x
#this transposes the matrix
x.t <- t(x)
rollmean(x.t)

On Wed, Jul 9, 2008 at 12:50 PM, Rheannon <rbrooks@uvic.ca> wrote:

>
> Hello,
>
> I am trying to calculate a 31 day running mean in some temperature data
> along ROWS. Rollmean() works great along columns, but how do I perform this
> same action on my rows?
>
> The data is a matrix of 365 columns (days of the year) by 5,000 rows
> (lat/long coordinates).
> I would like to perform a 31 day running mean along the 365 days.
>
> I am new to R so any help would be greatly appreciated!
>
> Thanks alot,
> Rheannon
> --
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