Its only more accurate if you fetch out more than two datapoints, tho :) On Nov 3, 2003, at 10:40 PM, Aaron Spiegel wrote:
> For more accurate "rate of change" you can fetch the data out of the > rrd (into perl for example), and use the perl Math::Interpolate module > to get a best fit function from the points with time being the x values > and y being the disk space usage, and then use Math::Derivative to get > the second derivative of that function. The second derivative of a > function is by definition the rate of change. -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://www.ee.ethz.ch/~slist/rrd-users WebAdmin http://www.ee.ethz.ch/~slist/lsg2.cgi
