Average of only Positive values in a duration

Discussion created by kkolli on May 17, 2012
Latest reply on May 17, 2012 by Ahmad Fattahi



I need the average value of the pi tag within a duration, which was easy enough in pi webservices.


But this pitag also have some negative values. Is there anyway to ignore the negatvie values in that duration and


calculate the average of only positive values?