What Grafana version and what operating system are you using?
What are you trying to achieve?
When using confidence bands, I want the lower confidence band to be zero when it returns a negative value.
How are you trying to achieve it?
Trial-and-error messing with the confidence settings themselves, as well as attempting transforms for values less than zero.
Breaks graph display
What did you expect to happen?
My hope is to all the lower confidence just go to zero when it calculates a value in the negative ranges. Since it is a confidence of power, it will never be less than zero watts.
Can you copy/paste the configuration(s) that you are having problems with?
alias(holtWintersConfidenceArea(movingAverage(keepLastValue(scale(monitor.power.probe3, 0.5), 10), ‘30min’), 6, ‘7d’, ‘1d’), ‘Confidence’)
Did you receive any errors in the Grafana UI or in related logs? If so, please tell us exactly what they were.
Grafana itself is not erroring. I suspect it is the way I was attempting to set the confidence values.
Did you follow any online instructions? If so, what is the URL?
None that I could find
in graphite itself is it possible to do an inline iif statement? not sure of the language
kw < 0 : kw + (kw * -1) ? kw ie kw = -300 -300 + (-300 * -1) = 0
I don’t think so. Since it is a calculated value, and gives two separate confidence bands, I don’t believe I can do any kind of math against it.