Hello I'm trying to show the average of the wall transparency for each floor level of the combined wall segments - any idea how to combine the % shown into a single average? I tried AVG expression but that isn't working.   

HelloI'm trying to schedule wall transparency as a percentage.I have doors, windows, and openings and want to divide the sum of those by the gross wall area. I created a Transparency property that works, however, I can't get the schedule to display c...