event-weighted standard deviation, averages, etc. with PEs

Discussion created by jdouglas Employee on Dec 13, 2011
Latest reply on Dec 13, 2011 by Ahmad Fattahi

Is possible to do event-weighted calculations with the PI-PE module? Say, I want to calculate the standard deviation of a manually entered tag for the last 24 hours. I tried this, but it isn't correct because there may be 24 values or 13 values.