On Mon, Aug 16, 2010 at 09:17:02AM -0700, Mike Schilli wrote: > On Mon, 16 Aug 2010, Dave Plonka wrote: > > > This would be easier for you to understand (why it's doing what it > > does) if you plot the confidence band - i.e., the line above and below > > the hwpreduct value that the observations must exceed to be considered > > a violation. > > I feel stupid for asking this, but how do I define the confidence band > and how do I get rrdgraph to print it? The rrdcreate page mentions the > confidence band several times but besides "defining a matching set of > several RRDs" I can't find instructions in there on how to set my > confidence band to a certain width. It also references rrdgraph where > supposedly there is an example of a printed confidence band, but > searching for "confidence" on the rrdgraph page doesn't yield any > results.
There is an example (listing 1, on the page numbered 144 in the PDF) of Brutlag's paper: http://www.usenix.org/events/lisa00/brutlag.html i.e., like the upper and lower CDEF in that example. (You don't need the scaling b/c that just converts bytes to bits.) Dave -- [email protected] http://net.doit.wisc.edu/~plonka/ Madison, WI _______________________________________________ rrd-users mailing list [email protected] https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users
