look at zoo and roll mean
On Thu, Aug 14, 2008 at 3:52 PM, William Pepe <[EMAIL PROTECTED]> wrote:
>
> Dear all. I have data that looks like this:
>
> Biller Cycle Jan Feb Mar Apr May JuneAB 1 100 150 150 200 300 450JL
> 2 650 600 750 700 850 800JL 3 700 740 680 690 700 580IR
> 1 455 400 405 410 505 550IR 4 600 650 700 750 650 680IR 5
> 100 150 120 130 140 190IR 9 600 640 630 625 680 690
>
> For each biller and cycle, I want to determine the six months average for
> Jan-Jun and also a 3-month moving average for Jan-Jun.
>
> If a cycle number is skipped such as cycle 1 for biller JL, that just means
> there is no cycle 1 for biller JL. It's not missing data.
>
> Any help would be greatly appreciated. Thanks.
> _________________________________________________________________
>
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