Exclude Zeros From Average
I am calculating an average but I do not want the zero values to be included in the average. How can I exclude them?
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Best Answer

You can do this by adding a line item to count the values you want to include, i.e.: add a line item 'Count' = If 'Value' <> 0 then 1 else 0. Then you can calculate the average with a formula that is 'Value' / 'Count'. You will need to change the summary type of this line item to either 'Formula' or 'Ratio'. If you choose ratio, you need to specify the Numerator / Denomator below, so you would select 'Value' / 'Count' in this case.9
Answers

How to SUM the last 4 non zero values in the time series???
Example  if i have a data as 
12,0,4,0,8,12,9,0,5,0,3,5,7,0,3
Answer should be 18
12,0,4,0,8,12,9,0,5,0,3,0,7,3,3
Answer should be 16
Any ideas????
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not entirely elegant but....you'll need to use a "signal row" = if number row <> 0 then 1 else 0….next add calc row that divides ‘number row’ by "signal row" (the count)…and in blueprint mode change the calc row from sum to ‘formula’.
See attached pictures
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