[rrd-users] Can CDEFs offset the time axis?

[Adam Treister]

I'd like to be able to overlay a graph of current levels vs. last year's
levels.

Is there any sort of function in the CDEFs that returns the value from the
data source at a different point in time?

Any other elegant solutions?

Adam

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Adam Treister	   Tree Star, Inc.
ph: 1-650-508-9349  fax: 1-650-508-9186
adam at treestar.com   <http://www.treestar.com>
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