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AGGR function

I'd like to write an expression that calculates some values based on a sort order that is specified in the expression:

If I have a "flag" on my data that is 0 or 1. In a table I can use the following expression which sums the flag for every row that is above the "current" row:

rangesum(above(TOTAL Sum(leave_flag),0,rowno(TOTAL)))


This works just fine when I sort my table on anything I like. I would like an expression that forces the calculation to be based on another specific column (lets say it is a column called "sales").


I have come across the AGGR function which allows you to do this but I can't work out how to use it do what I want. Should it be immediately before the rangesum function or the above function. Do I even need the above function?


Can anyone help?

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Re: AGGR function

Look here:

Recipe for a Pareto Analysis – Revisited

This gives an example where you sort by Sum(Measure) in the Aggr() function. But please note that this is only available in QV12.1 or above and Qlik Sense