[rrd-users] Using the Holt-Winters algorithm for prediction of future values

A Darren Dunham ddunham at taos.com
Wed Sep 2 20:27:02 CEST 2009

On Wed, Sep 02, 2009 at 11:14:58AM -0700, Faraaz Sareshwala wrote:
> Yeah, I've been searching on the Internet for some time now on how to
> predict future values based on past trends using RRDtool for some time
> now but haven't gotten anywhere. I'm not so concerned about that graph
> in particular, but would like to bring the prediction of future data
> points to our graphs. Are there any pages out there that describe how
> to do this?

Have you seen the section on Holt-Winters in the rrdcreate
documentation?  It tells you that you need to create certain RRAs (which
can be automated by creating the HWPREDICT RRA without the final
argument).  Then you can use them for graphing or in RPN calculations.


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