DAX measure calculation based on two different measures

[sthomas38]

Hi Experts,

I have an issue. 

Dataset A has a measure called distinct counts of ID by different networks. And a rank measure to show which has the highestr to lowest.

Dataset A has thousands of rows by Network and ID and geographical regions (State, County, City, Zip etc.)

Network	Count	Rank
ABC	123	4
BCD	250	2
CDF	231	3
DFG	333	1

Dataset B has thousands of rows for JUST Network BCD and IDs again by georgraphical regions.

So say, BCD has a count of 350 NOW.

I need to calculate new rank, with all networks from Dataset A but only for Network BCD, I need to get the counts from Dataset B. 

How should that measure be? What is the DAX? This DAX should also be filterable by geographic regions. 

Please can someone help me?

Thank you.

[v-tangjie-msft · Accepted solution]

Hi @sthomas38 ,

According to your description, here are my steps you can follow as a solution.

(1) We can create measures. 

new count = 
VAR _BCD=CALCULATE([count_b_measure],FILTER(ALL('Dataset B'),[Network]="BCD"))
RETURN IF(MAX('Dataset A'[Network])="BCD",_BCD,[count_a_measure])

new rank = RANKX(ADDCOLUMNS(ALLSELECTED('Dataset A'),"new count",[new count]),[new count],,DESC,Dense) 

(2) Then the result is as follows.

If the above one can't help you get the desired result, please provide some sample data in your tables (exclude sensitive data) with Text format and your expected result with backend logic and special examples. It is better if you can share a simplified pbix file. Thank you.

Best Regards,

Neeko Tang

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