[rrd-users] Re: interpolation algo?

[Ford, Andy]

> -----Original Message-----
> From: Serge Maandag [mailto:serge.maandag at staff.zeelandnet.nl]
> Sent: Tuesday, February 28, 2006 4:57 PM
> To: Ford, Andy; rrd-users at list.ee.ethz.ch
> Subject: RE: [rrd-users] interpolation algo?
> 
> > Does anyone have handy a detailed description of, or the name 
> > of the data interpolation algorithm in rrdtool?
> 
> There are multiple interpolations.
> 
> If you update more than once in a PDP, the weighted average is
> taken, iirc. The PDPs are simply averaged into a CDP if the RRA
> type is AVERAGE.
> 

I'm looking for the data resampling part where the data gets moved & interpolated to a time boundary. 
There's section in Alex's tutorial at the end called "Data Resampling".
I want the math. I studied math through differentiable manifolds, but my statistics knowledge is very poor.

Andy Ford
A.G. Edwards & Sons Technology Group, Inc.
Enterprise Event Management
314-955-6647
andyford at agedwards.com 





-------------------------------------------------------------------------------------
A.G. Edwards & Sons' outgoing and incoming e-mails are electronically
archived and subject to review and/or disclosure to someone other 
than the recipient.

-------------------------------------------------------------------------------------

--
Unsubscribe mailto:rrd-users-request at list.ee.ethz.ch?subject=unsubscribe
Help        mailto:rrd-users-request at list.ee.ethz.ch?subject=help
Archive     http://lists.ee.ethz.ch/rrd-users
WebAdmin    http://lists.ee.ethz.ch/lsg2.cgi