Forum Discussion
Need help with a measure
Hello, Power BI community, need some help. I have two tables :
Table1 and Table2 both with fields ID (Unique in each table) and Date (date format).
Need to count how many IDs from Table2 are in Table1 with Table1.Date < '1/1/2019'
Any help is greatly appreciated!!
Hi Anonymous
Try this measure in a card visual:
Measure = COUNTROWS ( INTERSECT ( CALCULATETABLE ( DISTINCT ( Table1[ID] ), Table1[Date] < DATE ( 2019, 1, 1 ) ), DISTINCT ( Table2[ID] ) ) )Please mark the question solved when done and consider giving kudos if posts are helpful.
Cheers

3 Replies
- AlB
Community Champion
Hi Anonymous
Try this measure in a card visual:
Measure = COUNTROWS ( INTERSECT ( CALCULATETABLE ( DISTINCT ( Table1[ID] ), Table1[Date] < DATE ( 2019, 1, 1 ) ), DISTINCT ( Table2[ID] ) ) )Please mark the question solved when done and consider giving kudos if posts are helpful.
Cheers

- AnonymousNot applicable
Thank you! Good idea! I've done it differently, linked two tables by ID. But I like INTERSECT better!
- Nathaniel_C
Community Champion
Hi Anonymous ,
Let me know if you have any questions.
If this solves your issues, please mark it as the solution, so that others can find it easily. Kudos are nice too.
NathanielDate less than and in table 2 = Calculate(Count(T1[ID]) , FILTER(T1,T1[ID]=LOOKUPVALUE(T2[ID],T2[ID],T1[ID] ) && T1[Date]<Date(2019,1,3) ))