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I'm trying develop a function o PI that is the delta of two values 8 hours apart normalized over the average total production rate over the 8 hours.

Question asked by fuzzbuzz on Jul 6, 2017
Latest reply on Jul 13, 2017 by JánosPetró

I'm having trouble figuring out how to do this since one is a value and one is an average. I first tried to use a range function for the numerator (which isn't ideal) and an average function for the denominator, but then I found out you can't divide data sets.  Any suggestions?