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Contributor
Contributor

How Can I Use Table's Cell Conditions in Set Analysis Expression

I would like to create a table where one cell shows the max value.
For example, I have a set of data like the following which shows how much spending a person had in a given category:

PersonCategoryYTM DollarsMonthYear% Change Net Spending
MikeShoes$100May201950%
MikeBooks$50May201950%
MaryShoes$100May201950%
MaryBooks$200May201950%

I want a table that shows which people had the largest % increase in spending year to month and also which category had the most year to month (YTM) net spending for that person.
 
% Change Net50%10%
PersonMikeMary
CategoryShoesBooks
 
Except, when I write the set expression for the category cell as something like
Mode({$<Date_num={"$(=Max({$} Date_Num))"},[YTM Dollars Spent]={"$(=Max({$<Date_Num={'$(=Max({$} Date_Num))'}>} [YTM Dollars Spent]))"}>} [Category])

I get something like:
 
% Change Net50%10%
PersonMikeMary
Category-Books
 
I think it's looking for the category that matches the max YTM overall (i.e. Max(YTM) = $200) and not within the set of the other cells. How do I write the set correctly to find the right category (i.e. Max(YTM)=$100 for column 1 [Mike, May 2019] and Max(YTM)=$200 for column 2 [Mary, May 2019])?
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Digital Support
Digital Support

I would have a look at the following Design Blog posts, the last link is the base URL in case none of the others help, you can search that area further on your own to see if you can find something to help.

https://community.qlik.com/t5/Qlik-Design-Blog/A-Primer-on-Set-Analysis/ba-p/1468344

https://community.qlik.com/t5/Qlik-Design-Blog/Set-Analysis-in-the-Aggr-function/ba-p/1463822

https://community.qlik.com/t5/Qlik-Design-Blog/bg-p/qlik-design-blog

Regards,
Brett

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