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Anonymous
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## Calculate symmetric mattrix

Hi experts,

I'm calculating a symmetric matrix with following tables (It is just a portion of the data):

 Sport A Label Sport B Label QtUsersIntersection QtUsersSportOther Baloncesto Balonmano 16 288 Baloncesto eSports 29 288 Baloncesto Fútbol Sala 262 288 Balonmano Baloncesto 16 30 Balonmano eSports 5 30 Balonmano Fútbol Sala 22 30 eSports Baloncesto 29 50 eSports Balonmano 5 50 eSports Fútbol Sala 29 50 Fútbol Sala Baloncesto 262 294 Fútbol Sala Balonmano 22 294 Fútbol Sala eSports 29 294

The column "QtUsersSportOther" is comming from another table, and looks like this:

 sport QtUser Baloncesto 288 Balonmano 30 eSports 50 Fútbol Sala 294

My measure is as follows :

`% us = CALCULATE(DIVIDE(SUM(SportsIntersection[QtUsersIntersection]);Sum(SportsIntersection[QtUsersSportOther]); 0))`

and I want to create a symetric matrix. The output I'm getting is:

However, as it is a symetric matrix, It should look like this:

I've created this ilustration to explain what I have in mind, but I can't get to translate to DAX, so I need help in this:

From the table above, from sport A ("Baloncesto") and SportB ("Futbol Sala"); and "Balonmano" and "Futbol Sala"; and "eSport" and "Futbol Sala" are already calculated, fill with blank all the rows related to the column SportA to "Futbol Sala" and so on.

I'm really stuck with this. Any suggestion?

1 ACCEPTED SOLUTION
Resident Rockstar

Sure.  Is your visual always going to have the fields in alphabetical order? If so, you just need a minor change to your measure. Otherwise, you'll need some sort of other ranking system to let PowerBI know the order of the categories.

`% us = CALCULATE(DIVIDE(SUM(SportsIntersection[QtUsersIntersection]);Sum(SportsIntersection[QtUsersSportOther]); 0); FILTER(SportsIntersection; SportsIntersection[Sport A Label]< SELECTEDVALUE(SportsIntersection[Sport B Label])))`
Resident Rockstar

Sure.  Is your visual always going to have the fields in alphabetical order? If so, you just need a minor change to your measure. Otherwise, you'll need some sort of other ranking system to let PowerBI know the order of the categories.

`% us = CALCULATE(DIVIDE(SUM(SportsIntersection[QtUsersIntersection]);Sum(SportsIntersection[QtUsersSportOther]); 0); FILTER(SportsIntersection; SportsIntersection[Sport A Label]< SELECTEDVALUE(SportsIntersection[Sport B Label])))`

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