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

A Darren Dunham ddunham at taos.com
Wed Aug 19 00:00:08 CEST 2009

On Tue, Aug 18, 2009 at 01:43:00PM -0700, Faraaz Sareshwala wrote:

> I have drawn the hwpredict line on the graphs, some confidence bands,
> and tick data from the failures rra. However, I am looking to do
> something like what is shown in this graph on the RRDtool gallery:
> http://oss.oetiker.ch/rrdtool/gallery/fsu_predict.png. Can the
> Holt-Winters algorithm as it is implemented in RRDtool provide this
> sort of prediction? If so, can someone provide some guidance on how to
> go about doing that? If not, how is it being done in that graph?

I don't think those graphs have anything to do with holt-winters.  I'm
assuming they're simple least-squares linear fits to the data.

I tried recreating them a bit.  Haven't done anything new since this post:

Good luck.


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