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[Jens Rantil <question258925@xxxxxxxxxxxxxxxxxxxxx>]

New question #258925 on Graphite:
https://answers.launchpad.net/graphite/+question/258925

I have a couple of series of monotonically increasing values as a function of time. In other words, counters. I would like to graph the (non-negative) derivative of the sum of these series. Can I do that?

So far I have tried:

sumSeries(nonNegativeDerivative(my.series.*.count))

and

nonNegativeDerivative(sumSeries(my.series.*.count))

Neither of these works. Am I using the wrong functions? Can this be done?

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