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I am grouping my expression according to a column using 'aggr' in the expression editor. I am not able to get any value in Totals column.
I want to display aggr(sum(aggr(sum(revenue),city)),country), how can I get the corresponding expression to flash in the Totals row?
I want my final aggregation with respect to countries
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Why not just use Sum(revenue)? or may be this
Sum(Aggr(Sum(revenue), country, city))
You can have naked aggr expression to show total so as Sunny mentioned, always have an outer aggregation such as sum.
HIC has written an excellent article on how AGGR works.
Set Analysis in the Aggr function
Might also verify that Revenue is actually of type number number and not coming in your load as a text.
IsNum(Revenue) should return -1. If it returns Zero you are dealing with text and your math function won't work.
No need to aggr sum of sums.
if the revenue is in the data model at the city, country level or lower (like a time dimenison), a straight sum with city and country as dimensions would sum by those keys.
unless if you want something else than the sum
only Sum(Revenue) is the same