[R] Question about Aggregate

Spencer Graves
Sun, 29 Jan 2006 19:01:19 -0000

Did you try 'RSiteSearch("aggregate time series")'?  When I
did this
just now, the third hit was,
"http://finzi.psych.upenn.edu/R/Rhelp02a/archive/55761.html", which
might help you.  See in particular the "zoo" package and vignette, and
especially the "aggregate.zoo" function, including the examples with
the
documentation.

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	  hope this helps,
	  spencer graves

Matthieu Cornec wrote:

> hello,
>
> Suppose you a monthly series you want to aggregate at a quaterly frequency
> with the start and the end of your series in the middle of the quarter.
> For example
>  2001M2 2001M3 2001M4 2001M5 2001M6 2001M7
> 12                  13     12      14         16              15
>
> how can you get something like :
> 2001Q1 2001Q2 200Q3
> NA       14 NA
>
> or
>  2001Q1 2001Q2 200Q3
> 12.5 14 15
>
> Thanks in advance
>
> Matthieu
>
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