[R] rollapply() opertation on time series

rcoder mpdotbook at gmail.com
Mon Jul 28 23:03:25 CEST 2008

rcoder wrote:
> Hi everyone,
> Is there a way to perform a rollapply operation on a time series data
> matrix and preserve the time frame? Currently, when I apply rollapply in
> its standart form, the date column is no longer present in the o/p matrix.
> Thanks,
> rcoder

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